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module_NEST_UTIL.F @ 3567

Last change on this file since 3567 was 2759, checked in by aslmd, 2 years ago
adding unmodified code from WRFV3.0.1.1, expurged from useless data +1M size
File size: 20.7 KB

Line
1	!
2	!NCEP_MESO:MODEL_LAYER: BOUNDARY CONDITION UPDATES
3	!
4	!----------------------------------------------------------------------
5	!
6	MODULE module_NEST_UTIL
7	!
8	!----------------------------------------------------------------------
9	USE MODULE_MPP
10	USE MODULE_STATE_DESCRIPTION
11	USE MODULE_DM
12	!
13	!#ifdef DM_PARALLEL
14	! INCLUDE "mpif.h"
15	!#endif
16	!----------------------------------------------------------------------
17	CONTAINS
18	!
19	!*********************************************************************************************
20	SUBROUTINE NESTBC_PATCH(PD_BXS,PD_BXE,PD_BYS,PD_BYE &
21	,T_BXS,T_BXE,T_BYS,T_BYE,Q_BXS,Q_BXE,Q_BYS,Q_BYE &
22	,U_BXS,U_BXE,U_BYS,U_BYE,V_BXS,V_BXE,V_BYS,V_BYE &
23	,Q2_BXS,Q2_BXE,Q2_BYS,Q2_BYE &
24	,CWM_BXS,CWM_BXE,CWM_BYS,CWM_BYE &
25	,PD_BTXS,PD_BTXE,PD_BTYS,PD_BTYE &
26	,T_BTXS,T_BTXE,T_BTYS,T_BTYE,Q_BTXS,Q_BTXE,Q_BTYS,Q_BTYE &
27	,U_BTXS,U_BTXE,U_BTYS,U_BTYE,V_BTXS,V_BTXE,V_BTYS,V_BTYE &
28	,Q2_BTXS,Q2_BTXE,Q2_BTYS,Q2_BTYE &
29	,CWM_BTXS,CWM_BTXE,CWM_BTYS,CWM_BTYE &
30	!
31	,PDTMP_B,TTMP_B, QTMP_B,UTMP_B,VTMP_B,Q2TMP_B,CWMTMP_B &
32	,PDTMP_BT,TTMP_BT,QTMP_BT,UTMP_BT,VTMP_BT,Q2TMP_BT,CWMTMP_BT &
33	!
34	,SPEC_BDY_WIDTH &
35	,IDS,IDE,JDS,JDE,KDS,KDE &
36	,IMS,IME,JMS,JME,KMS,KME &
37	,ITS,ITE,JTS,JTE,KTS,KTE )
38	!**********************************************************************
39	!$$$ SUBPROGRAM DOCUMENTATION BLOCK
40	! . . .
41	! SUBPROGRAM: PATCH
42	! PRGRMMR: gopal
43	!
44	! ABSTRACT:
45	! THIS IS JUST A FIX FOR USING NESTED BOUNDARIES IN THE HALO REGION
46	! PROGRAM HISTORY LOG:
47	! 09-23-2004 : gopal
48	!
49	! USAGE: CALL PATCH FROM SUBROUTINE SOLVE_RUNSTREAM FOR NESTED DOMAIN ONLY
50	!
51	! ATTRIBUTES:
52	! LANGUAGE: FORTRAN 90
53	! MACHINE : IBM SP
54	!$$$
55	!**********************************************************************
56	!----------------------------------------------------------------------
57	!
58	IMPLICIT NONE
59	!
60	!----------------------------------------------------------------------
61	!
62
63	INTEGER,INTENT(IN) :: IDS,IDE,JDS,JDE,KDS,KDE &
64	,IMS,IME,JMS,JME,KMS,KME &
65	,ITS,ITE,JTS,JTE,KTS,KTE
66	INTEGER,INTENT(IN) :: SPEC_BDY_WIDTH
67	!
68	!
69	REAL,DIMENSION(IMS:IME,1,SPEC_BDY_WIDTH) &
70	,INTENT(INOUT) :: PD_BYS,PD_BYE &
71	,PD_BTYS,PD_BTYE
72
73	REAL,DIMENSION(IMS:IME,KMS:KME,SPEC_BDY_WIDTH) &
74	,INTENT(INOUT) :: CWM_BYS,CWM_BYE &
75	,Q_BYS,Q_BYE &
76	,Q2_BYS,Q2_BYE &
77	,T_BYS,T_BYE &
78	,U_BYS,U_BYE &
79	,V_BYS,V_BYE
80
81	REAL,DIMENSION(IMS:IME,KMS:KME,SPEC_BDY_WIDTH) &
82	,INTENT(INOUT) :: CWM_BTYS,CWM_BTYE &
83	,Q_BTYS,Q_BTYE &
84	,Q2_BTYS,Q2_BTYE &
85	,T_BTYS,T_BTYE &
86	,U_BTYS,U_BTYE &
87	,V_BTYS,V_BTYE
88
89	!
90
91	REAL,DIMENSION(JMS:JME,1,SPEC_BDY_WIDTH) &
92	,INTENT(INOUT) :: PD_BXS,PD_BXE &
93	,PD_BTXS,PD_BTXE
94
95	REAL,DIMENSION(JMS:JME,KMS:KME,SPEC_BDY_WIDTH) &
96	,INTENT(INOUT) :: CWM_BXS,CWM_BXE &
97	,Q_BXS,Q_BXE &
98	,Q2_BXS,Q2_BXE &
99	,T_BXS,T_BXE &
100	,U_BXS,U_BXE &
101	,V_BXS,V_BXE
102
103	REAL,DIMENSION(JMS:JME,KMS:KME,SPEC_BDY_WIDTH) &
104	,INTENT(INOUT) :: CWM_BTXS,CWM_BTXE &
105	,Q_BTXS,Q_BTXE &
106	,Q2_BTXS,Q2_BTXE &
107	,T_BTXS,T_BTXE &
108	,U_BTXS,U_BTXE &
109	,V_BTXS,V_BTXE
110
111	!
112
113	REAL,DIMENSION(IMS:IME,JMS:JME) &
114	,INTENT(IN) :: PDTMP_B,PDTMP_BT
115
116	REAL,DIMENSION(IMS:IME,JMS:JME,KMS:KME) &
117	,INTENT(IN) :: CWMTMP_B,CWMTMP_BT &
118	,QTMP_B,QTMP_BT &
119	,Q2TMP_B,Q2TMP_BT &
120	,TTMP_B,TTMP_BT &
121	,UTMP_B,UTMP_BT &
122	,VTMP_B,VTMP_BT
123
124	!
125
126	!----------------------------------------------------------------------
127	!
128	!*** LOCAL VARIABLES
129	!
130	LOGICAL :: E_BDY,W_BDY,N_BDY,S_BDY
131	INTEGER :: I,J,K,IBDY,II,JJ,IB,JB,IIM,JJM,BF
132	!----------------------------------------------------------------------
133	!**********************************************************************
134	!----------------------------------------------------------------------
135	!
136	W_BDY=(ITS==IDS)
137	E_BDY=(ITE==IDE)
138	S_BDY=(JTS==JDS)
139	N_BDY=(JTE==JDE)
140
141	!----------------------------------------------------------------------
142	!*** WEST AND EAST BOUNDARIES
143	!----------------------------------------------------------------------
144	!
145	!*** USE IBDY=1 FOR WEST; 2 FOR EAST.
146
147	! WRITE(0,*)'WESTERN BC FOR PATCH',IDS,MAX(JTS-1,JDS+3-1),MIN(JTE+1,JDE-2)
148	!
149
150	DO IBDY=1,2
151	!
152	!*** MAKE SURE THE PROCESSOR HAS THIS BOUNDARY.
153	!
154	IF(W_BDY.AND.IBDY.EQ.1)THEN
155	! BF=P_XSB ! Which boundary (XSB=the boundary where X is at its start)
156	IB=1 ! Which cell in from boundary
157	II=1 ! Which cell in the domain
158
159	DO J=MAX(JTS-1,JDS+3-1),MIN(JTE+1,JDE-2)
160	IF(MOD(J,2).EQ.1)THEN ! J=3,5,7,9
161	PD_BXS(J,1,IB) =PDTMP_B(II,J)
162	PD_BTXS(J,1,IB) =PDTMP_BT(II,J)
163	ENDIF
164	ENDDO
165	!
166	DO K=KTS,KTE
167	DO J=MAX(JTS-1,JDS+3-1),MIN(JTE+1,JDE-2)
168	IF(MOD(J,2).EQ.1)THEN ! J=3,5,7,9
169	T_BXS(J,K,IB) = TTMP_B(II,J,K)
170	T_BTXS(J,K,IB) = TTMP_BT(II,J,K)
171	Q_BXS(J,K,IB) = QTMP_B(II,J,K)
172	Q_BTXS(J,K,IB) = QTMP_BT(II,J,K)
173	Q2_BXS(J,K,IB) = Q2TMP_B(II,J,K)
174	Q2_BTXS(J,K,IB) = Q2TMP_BT(II,J,K)
175	CWM_BXS(J,K,IB) = CWMTMP_B(II,J,K)
176	CWM_BTXS(J,K,IB) = CWMTMP_BT(II,J,K)
177	ENDIF
178	ENDDO
179	ENDDO
180
181	DO K=KTS,KTE
182	DO J=MAX(JTS-1,JDS+2-1),MIN(JTE+1,JDE-1)
183	IF(MOD(J,2).EQ.0)THEN ! J=2,4,6,8
184	U_BXS(J,K,IB) = UTMP_B(II,J,K)
185	U_BTXS(J,K,IB) = UTMP_BT(II,J,K)
186	V_BXS(J,K,IB) = VTMP_B(II,J,K)
187	V_BTXS(J,K,IB) = VTMP_BT(II,J,K)
188	ENDIF
189	ENDDO
190	ENDDO
191
192	ELSEIF (E_BDY.AND.IBDY.EQ.2) THEN
193
194	! BF=P_XEB ! Which boundary (XEB=the boundary where X is at its end)
195	IB=1 ! Which cell in from boundary
196	II=IDE ! Which cell in the domain
197
198	DO J=MAX(JTS-1,JDS+3-1),MIN(JTE+1,JDE-2)
199	IF(MOD(J,2).EQ.1)THEN ! J=3,5,7,9
200	PD_BXE(J,1,IB) =PDTMP_B(II,J)
201	PD_BTXE(J,1,IB) =PDTMP_BT(II,J)
202	ENDIF
203	ENDDO
204	!
205	DO K=KTS,KTE
206	DO J=MAX(JTS-1,JDS+3-1),MIN(JTE+1,JDE-2)
207	IF(MOD(J,2).EQ.1)THEN ! J=3,5,7,9
208	T_BXE(J,K,IB) = TTMP_B(II,J,K)
209	T_BTXE(J,K,IB) = TTMP_BT(II,J,K)
210	Q_BXE(J,K,IB) = QTMP_B(II,J,K)
211	Q_BTXE(J,K,IB) = QTMP_BT(II,J,K)
212	Q2_BXE(J,K,IB) = Q2TMP_B(II,J,K)
213	Q2_BTXE(J,K,IB) = Q2TMP_BT(II,J,K)
214	CWM_BXE(J,K,IB) = CWMTMP_B(II,J,K)
215	CWM_BTXE(J,K,IB) = CWMTMP_BT(II,J,K)
216	ENDIF
217	ENDDO
218	ENDDO
219
220	DO K=KTS,KTE
221	DO J=MAX(JTS-1,JDS+2-1),MIN(JTE+1,JDE-1)
222	IF(MOD(J,2).EQ.0)THEN ! J=2,4,6,8
223	U_BXE(J,K,IB) = UTMP_B(II,J,K)
224	U_BTXE(J,K,IB) = UTMP_BT(II,J,K)
225	V_BXE(J,K,IB) = VTMP_B(II,J,K)
226	V_BTXE(J,K,IB) = VTMP_BT(II,J,K)
227	ENDIF
228	ENDDO
229	ENDDO
230
231	ENDIF
232	ENDDO
233	!
234	!----------------------------------------------------------------------
235	!*** SOUTH AND NORTH BOUNDARIES
236	!----------------------------------------------------------------------
237	!
238	!*** USE IBDY=1 FOR SOUTH; 2 FOR NORTH
239	!
240	DO IBDY=1,2
241	!
242	!*** MAKE SURE THE PROCESSOR HAS THIS BOUNDARY.
243	!
244	IF(S_BDY.AND.IBDY.EQ.1) THEN
245	!
246	! BF=P_YSB ! Which boundary (YSB=the boundary where Y is at its start)
247	JB=1 ! Which cell in from boundary
248	JJ=1 ! Which cell in the domain
249	!
250	DO I=MAX(ITS-1,IDS),MIN(ITE+1,IDE)
251	PD_BYS(I,1,JB) = PDTMP_B(I,JJ)
252	PD_BTYS(I,1,JB)= PDTMP_BT(I,JJ)
253	ENDDO
254
255	!
256	DO K=KTS,KTE
257	DO I=MAX(ITS-1,IDS),MIN(ITE+1,IDE)
258	T_BYS(I,K,JB) = TTMP_B(I,JJ,K)
259	T_BTYS(I,K,JB) = TTMP_BT(I,JJ,K)
260	Q_BYS(I,K,JB) = QTMP_B(I,JJ,K)
261	Q_BTYS(I,K,JB) = QTMP_BT(I,JJ,K)
262	Q2_BYS(I,K,JB) = Q2TMP_B(I,JJ,K)
263	Q2_BTYS(I,K,JB) = Q2TMP_BT(I,JJ,K)
264	CWM_BYS(I,K,JB) = CWMTMP_B(I,JJ,K)
265	CWM_BTYS(I,K,JB)= CWMTMP_BT(I,JJ,K)
266	ENDDO
267	ENDDO
268
269	DO K=KTS,KTE
270	DO I=MAX(ITS-1,IDS),MIN(ITE+1,IDE)
271	U_BYS(I,K,JB) = UTMP_B(I,JJ,K)
272	U_BTYS(I,K,JB) = UTMP_BT(I,JJ,K)
273	V_BYS(I,K,JB) = VTMP_B(I,JJ,K)
274	V_BTYS(I,K,JB) = VTMP_BT(I,JJ,K)
275	ENDDO
276	ENDDO
277
278	ELSEIF (N_BDY.AND.IBDY.EQ.2) THEN
279	! BF=P_YEB ! Which boundary (YEB=the boundary where Y is at its end)
280	JB=1 ! Which cell in from boundary
281	JJ=JDE ! Which cell in the domain
282
283	DO I=MAX(ITS-1,IDS),MIN(ITE+1,IDE)
284	PD_BYE(I,1,JB) = PDTMP_B(I,JJ)
285	PD_BTYE(I,1,JB)= PDTMP_BT(I,JJ)
286	ENDDO
287
288	!
289	DO K=KTS,KTE
290	DO I=MAX(ITS-1,IDS),MIN(ITE+1,IDE)
291	T_BYE(I,K,JB) = TTMP_B(I,JJ,K)
292	T_BTYE(I,K,JB) = TTMP_BT(I,JJ,K)
293	Q_BYE(I,K,JB) = QTMP_B(I,JJ,K)
294	Q_BTYE(I,K,JB) = QTMP_BT(I,JJ,K)
295	Q2_BYE(I,K,JB) = Q2TMP_B(I,JJ,K)
296	Q2_BTYE(I,K,JB) = Q2TMP_BT(I,JJ,K)
297	CWM_BYE(I,K,JB) = CWMTMP_B(I,JJ,K)
298	CWM_BTYE(I,K,JB)= CWMTMP_BT(I,JJ,K)
299	ENDDO
300	ENDDO
301
302	DO K=KTS,KTE
303	DO I=MAX(ITS-1,IDS),MIN(ITE+1,IDE)
304	U_BYE(I,K,JB) = UTMP_B(I,JJ,K)
305	U_BTYE(I,K,JB) = UTMP_BT(I,JJ,K)
306	V_BYE(I,K,JB) = VTMP_B(I,JJ,K)
307	V_BTYE(I,K,JB) = VTMP_BT(I,JJ,K)
308	ENDDO
309	ENDDO
310
311
312
313	ENDIF
314	ENDDO
315	END SUBROUTINE NESTBC_PATCH
316
317	!----------------------------------------------------------------------
318	!
319	SUBROUTINE STATS_FOR_MOVE (XLOC,YLOC,PDYN,MSLP,SQWS &
320	,PINT,T,Q,U,V &
321	,FIS,PD,SM,PDTOP,PTOP &
322	,DETA1,DETA2 &
323	,MOVED,MVNEST,NTSD,NPHS &
324	,IDS,IDE,JDS,JDE,KDS,KDE &
325	,IMS,IME,JMS,JME,KMS,KME &
326	,ITS,ITE,JTS,JTE,KTS,KTE )
327
328	!**********************************************************************
329	!$$$ SUBPROGRAM DOCUMENTATION BLOCK
330	! . . .
331	! SUBPROGRAM: STATS_FOR_MOVE
332	! PRGRMMR: gopal
333	!
334	! ABSTRACT:
335	! THIS ROUTINE COMPUTES SOME STATS REQUIRED FOR AUTOMATIC GRID MOTION
336	! PROGRAM HISTORY LOG:
337	! 05-18-2005 : gopal
338	!
339	! USAGE: CALL STATS_FOR_MOVE FROM SUBROUTINE SOLVE_RUNSTREAM FOR NESTED DOMAIN ONLY
340	!
341	! ATTRIBUTES:
342	! LANGUAGE: FORTRAN 90
343	! MACHINE : IBM SP
344	!$$$
345	!**********************************************************************
346
347	USE MODULE_MODEL_CONSTANTS
348	USE MODULE_DM
349
350	IMPLICIT NONE
351	!
352	LOGICAL,EXTERNAL :: wrf_dm_on_monitor
353	LOGICAL,INTENT(INOUT) :: MVNEST ! NMM SWITCH FOR GRID MOTION
354	LOGICAL,INTENT(IN) :: MOVED
355	INTEGER,INTENT(IN) :: IDS,IDE,JDS,JDE,KDS,KDE &
356	,IMS,IME,JMS,JME,KMS,KME &
357	,ITS,ITE,JTS,JTE,KTS,KTE &
358	,NTSD,NPHS
359	!
360	INTEGER, INTENT(OUT) :: XLOC,YLOC
361	REAL, DIMENSION(KMS:KME), INTENT(IN) :: DETA1,DETA2
362	REAL, INTENT(IN) :: PDTOP,PTOP
363	REAL, DIMENSION(IMS:IME,JMS:JME), INTENT(IN) :: FIS,PD,SM
364	REAL, DIMENSION(IMS:IME,JMS:JME,KMS:KME), INTENT(IN) :: PINT,T,Q,U,V
365	REAL, DIMENSION(IMS:IME,JMS:JME), INTENT(OUT) :: PDYN,MSLP,SQWS
366	!
367	! LOCAL
368
369	INTEGER,SAVE :: NTIME0
370	INTEGER :: IM,JM,IP,JP
371	INTEGER :: I,K,J,XR,YR,DTMOVE,IDUM,JDUM,ITF,JTF
372	REAL, PARAMETER :: LAPSR=6.5E-3, GI=1./G,D608=0.608
373	REAL, PARAMETER :: COEF3=287.05GILAPSR, COEF2=-1./COEF3
374	REAL, PARAMETER :: TRG=2.0R_DGI,LAPSI=1.0/LAPSR
375	REAL :: DZ,RTOPP,APELP,A,TSFC,STMP0,STMP1
376	REAL :: SMSUM,SMOUT,XDIFF,YDIFF,PCUT,PGR
377	REAL :: MINGBL_PDYN,MAXGBL_PDYN,MAXGBL_SQWS
378	REAL :: MINGBL_MIJ
379	REAL, DIMENSION(IMS:IME,JMS:JME) :: MIJ
380	REAL, DIMENSION(IMS:IME,JMS:JME,KMS:KME) :: Z
381
382	! EXEC
383
384	ITF=MIN(ITE,IDE-1)
385	JTF=MIN(JTE,JDE-1)
386
387	!----------------------------------------------------------------------------------
388
389	! KEEP NEST MOTION IN SINK WITH PHYSICS TIME STEPS
390
391	IF(MOD(NTSD+1,NPHS)/=0)THEN
392	MVNEST=.FALSE.
393	RETURN
394	ENDIF
395
396	WRITE(0,*)'PHYSICS IN SINK',NTSD,NPHS
397
398	! DETERMINE THE HEIGHTS ON THE PARENT DOMAIN
399
400	DO J = JTS, MIN(JTE,JDE)
401	DO I = ITS, MIN(ITE,IDE)
402	Z(I,1,J)=FIS(I,J)*GI
403	ENDDO
404	ENDDO
405	!
406	DO K = KTS,KTE
407	DO J = JTS, MIN(JTE,JDE)
408	DO I = ITS, MIN(ITE,IDE)
409	APELP = (PINT(I,J,K+1)+PINT(I,J,K))
410	RTOPP = TRGT(I,J,K)(1.0+Q(I,J,K)*P608)/APELP
411	DZ = RTOPP(DETA1(K)PDTOP+DETA2(K)*PD(I,J))
412	Z(I,K+1,J) = Z(I,J,K) + DZ
413	ENDDO
414	ENDDO
415	ENDDO
416
417	! DETERMINE THE MEAN SEA LEVEL PRESSURE, THE VERTICALLY AVERAGED WIND
418	! SPEED AT ABOUT LEVELS 9 10 AND 11 AND THE DYNAMIC PRESSURES DEFINED
419	! FROM BASIC BERNOULLI's THEOREM
420
421	DO J = JTS, MIN(JTE,JDE)
422	DO I = ITS, MIN(ITE,IDE)
423	TSFC = T(I,J,1)(1.+D608Q(I,J,1)) + LAPSR(Z(I,J,1)+Z(I,J,2))0.5
424	A = LAPSR*Z(I,J,1)/TSFC
425	MSLP(I,J) = PINT(I,J,1)(1-A)*COEF2
426	SQWS(I,J) = (U(I,J,9)U(I,J,9) + V(I,J,9)V(I,J,9) &
427	+ U(I,J,10)U(I,J,10) + V(I,J,10)V(I,J,10) &
428	+ U(I,J,11)U(I,J,11) + V(I,J,11)V(I,J,11))/3.0
429	PDYN(I,J) = MSLP(I,J) + 1.1*SQWS(I,J)/2.0
430	ENDDO
431	ENDDO
432
433	! FILTER OUT PDYN AND STORE THAT IN MIJ. THE MAXIMUM VALUE OF MIJ GIVES THE STORM CENTER
434	! ALSO DO THAT WITHIN A SUB DOMAIN
435
436	MAXGBL_PDYN=MAXVAL(PDYN(ITS:ITF,JTS:JTF))
437	CALL WRF_DM_MAXVAL(MAXGBL_PDYN,IDUM,JDUM)
438	MINGBL_PDYN=MINVAL(PDYN(ITS:ITF,JTS:JTF))
439	CALL WRF_DM_MINVAL(MINGBL_PDYN,IDUM,JDUM)
440	PCUT = 0.5*(MAXGBL_PDYN + MINGBL_PDYN)
441	!
442	IM=IDE/2 - IDE/6
443	IP=IDE/2 + IDE/6
444	JM=JDE/2 - JDE/4
445	JP=JDE/2 + JDE/4
446	!
447	DO J = JTS, MIN(JTE,JDE)
448	DO I = ITS, MIN(ITE,IDE)
449	IF(I .GE. IM .AND. I .LE. IP .AND. J .GE. JM .AND. J .LE. JP &
450	.AND. PCUT .GT. PDYN(I,J))THEN
451	MIJ(I,J) = PDYN(I,J)
452	ELSE
453	MIJ(I,J) = 105000.0
454	ENDIF
455	ENDDO
456	ENDDO
457
458	DO J = JTS, MIN(JTE,JDE)
459	DO I = ITS, MIN(ITE,IDE)
460	PDYN(I,J)=MIJ(I,J)
461	ENDDO
462	ENDDO
463
464	! DETERMINE THE LOCATION OF CENTER OF THE CIRCULATION DEFINED BY MIJ AND FIND THE CORRESPONDING MSLP
465
466	MINGBL_MIJ=MINVAL(MIJ(ITS:ITF,JTS:JTF))
467	DO J = JTS, MIN(JTE,JDE)
468	DO I = ITS, MIN(ITE,IDE)
469	IF(MIJ(I,J) .EQ. MINGBL_MIJ)THEN
470	XLOC=I
471	YLOC=J
472	STMP0=MSLP(I,J)
473	ENDIF
474	ENDDO
475	ENDDO
476
477	CALL WRF_DM_MINVAL(MINGBL_MIJ,XLOC,YLOC)
478	CALL WRF_DM_MINVAL(STMP0,IDUM,JDUM)
479
480	! DETERMINE THE MAXIMUM MSLP AT ABOUT 18 GRID POINTS AWAY FROM THE STORM CENTER
481
482	DO J = JTS, MIN(JTE,JDE)
483	DO I = ITS, MIN(ITE,IDE)
484	IF(I .EQ. XLOC+18)THEN
485	XR=I
486	YR=J
487	STMP1=MSLP(I,J)
488	ENDIF
489	ENDDO
490	ENDDO
491
492	CALL WRF_DM_MAXVAL(STMP1,XR,YR)
493
494	!
495	! DETERMINE IF THE ENTIRE NESTED DOMAIN IS OVER LAND (SM=0)
496	!
497
498	SMSUM = 0.0
499	DO J = JTS, MIN(JTE,JDE)
500	DO I = ITS, MIN(ITE,IDE)
501	SMSUM = SMSUM + SM(I,J)
502	ENDDO
503	ENDDO
504
505	SMOUT=WRF_DM_SUM_REAL(SMSUM)/(IDE*JDE)
506
507	! STOP GRID MOTION. AVOID MOVING TOO RAPID GRID MOTION, SAY SOMETHING LIKE EVERY
508	! OTHER TIME STEP OR SO
509
510	PGR=STMP1-STMP0
511	XDIFF=ABS(XLOC - IDE/2)
512	YDIFF=ABS(YLOC - JDE/2)
513	IF(NTSD==0 .OR. MOVED)NTIME0=NTSD
514	DTMOVE=NTSD-NTIME0 ! TIME INTERVAL SINCE THE PREVIOUS MOVE
515	!
516	IF(DTMOVE .LE. 45 .OR. PGR .LE. 200.)THEN
517	WRITE(0,*)'SUSPEND MOTION: SMALL DTMOVE OR WEAK PGF:','DTMOVE=',DTMOVE,'PGR=',PGR
518	MVNEST=.FALSE. ! SET STATIC GRID
519	ELSE IF(STMP0 .GE. STMP1)THEN
520	WRITE(0,*)'SUSPEND MOTION: THERE IS NO VORTEX IN THE DOMAIN:','STMP0=',STMP0,'STMP1=',STMP1
521	MVNEST=.FALSE.
522	ELSE IF(XDIFF .GT. 24 .OR. YDIFF .GT. 24)THEN
523	WRITE(0,*)'SUSPEND MOTION: LOST VORTEX ','DTMOVE=',DTMOVE,'XDIFF=',XDIFF,'YDIFF=',YDIFF
524	MVNEST=.FALSE.
525	ELSE IF(SMOUT .LE. 0.2 .AND. XDIFF .GT. 12 .AND. YDIFF .GT. 12)THEN
526	WRITE(0,*)'SUSPEND MOTION: VORTEX LOST OVER LAND ','DTMOVE=',DTMOVE,'XDIFF=',XDIFF,'YDIFF=',YDIFF
527	MVNEST=.FALSE.
528	ELSE IF(SMOUT .LE. 0.2 .AND. PGR .LE. 400.)THEN
529	WRITE(0,*)'SUSPEND MOTION: VORTEX WEAK OVER LAND ','SMOUT=',SMOUT,'PGR=',PGR
530	MVNEST=.FALSE.
531	ELSE IF(SMOUT .LE. 0.2 .AND. DTMOVE .GE. 1500)THEN
532	WRITE(0,*)'SUSPEND MOTION: STOP MOTION OVER LAND','SMOUT=',SMOUT,'DTMOVE=',DTMOVE
533	MVNEST=.FALSE.
534	ELSE
535	MVNEST=.TRUE.
536	ENDIF
537
538	RETURN
539
540	END SUBROUTINE STATS_FOR_MOVE
541	!----------------------------------------------------------------------------------
542
543	END MODULE module_NEST_UTIL

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