Severe Thunderstorm Warning 15, NWS Shreveport, LA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
300 PM CST FRI FEB 18 2000

NARROW LINE OF STRONG THUNDERSTORMS MOVING ACROSS CWA JUST AHEAD OF
COLD FRONT WITH TORNADO WATCH STILL IN EFFECT FOR SOUTH CENTRAL
ARKANSAS UNTIL 400 PM CST. STRONG THUNDERSTORMS ALONG NARROW LINE
FROM EL DORADO AR TO SHREVEPORT LA TO CROCKETT TX. MODEL PROGS
INDICATE COLD FRONT WILL BE FROM MONROE TO FORT POLK LA TO NORTH OF
HOUSTON TX AT 19/00Z. ETA CAPE VALUES RANGE FROM 1000 TO 2000 J/KG.
WITH LI'S AROUND -4. STRONG UPPER LEVEL DIVERGENCE AT 18/18Z OVER
NORTH CENTRAL LA AND EASTERN AR SHIFTS TO OHIO VALLEY BY 19/00Z WITH
MUCH WEAKER AREA OVER CENTRAL LA. RUC SHOWS WIND SHIFT THROUGH AREA
BY 19/00Z WITH CLOUDS AND PRECIPITATION STILL FROM MONROE TO
NATCHITOCHES LA TO LUFKIN TX. BELIEVE SEVERE THREAT WILL BE EAST AND
SOUTH OF CWA AFTER 19/00Z. KEPT SLIGHT CHANCE SHOWERS AND
THUNDERSTORMS IN FOR MONROE AREA AND CHANCE FOR EXTREME SOUTHEAST
SECTIONS OF CWA IN CENTRAL LOUISIANA EARLY THIS EVENING.

CLOUDINESS DECREASING RAPIDLY BEHIND FRONT ACROSS SW AR...NE TX AND
SE OK. COLD AIR ADVECTION AND DRY AIR BEHIND FRONT WILL DROP
TEMPERATURES SOME 40 DEGREES TONIGHT AND KEEP TEMPERATURES IN THE
50S ON SATURDAY. HIGH CLOUDINESS WILL SPREAD OVER FORECAST AREA
SATURDAY NIGHT. SPLIT UPPER LEVEL FLOW WITH RIDGE ALONG THE WEST
COAST THIS MORNING WILL SHIFT EAST INTO THE ROCKIES BY 48 HOURS.
THIS WILL GIVE AREA BRIEF COOL DOWN THIS WEEKEND. TEMPERATURES WILL
WARM 10 DEGREES SUNDAY AND 5 TO 10 DEGREES MONDAY. UPPER LOW MOVING
INTO CALIFORNIA MONDAY WILL MOVE INTO 4 CORNERS AREA TUESDAY. WITH
SOUTHWEST FLOW ALOFT WILL KEEP CHANCE OF THUNDERSTORMS TUESDAY AND
CONTINUE WEDNESDAY.

SHV 41/56/37/65 0000
MLU 43/55/38/65 2000
TXK 38/53/36/63 0000
TYR 39/55/40/67 0000
LFK 45/61/39/67 0000

SHV...NONE.

09

ARZ050-051-059-060-TXZ096-097-108>111-182000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
128 PM CST FRI FEB 18 2000

THE TORNADO WATCH NUMBER 38 HAS BEEN CANCELLED FOR THE FOLLOWING
COUNTIES IN NORTHEAST TEXAS.

RED RIVER...BOWIE...FRANKLIN...TITUS...MORRIS...AND CAMP COUNTIES

THIS SAME TORNADO WATCH HAS ALSO BEEN CANCELLED FOR LITTLE RIVER...
SEVIER...HOWARD...AND HEMPSTEAD COUNTIES IN SOUTHWEST ARKANSAS.

THE LINE OF STRONG THUNDERSTORMS THAT EARLIER PRODUCED GUSTY WINDS...
SMALL HAIL...AND BRIEF BUT HEAVY RAINFALL ACROSS NORTHEAST TEXAS AND
OVER PORTIONS OF SOUTHWEST ARKANSAS HAVE MOVED EAST.  THE THREAT OF
SEVERE WEATHER HAS ENDED FOR TODAY WITH THE PASSAGE OF THE
THUNDERSTORMS ALONG THE LEADING EDGE OF A COLD FRONT.

THE WEATHER WILL BECOME NOTICEABLY COOLER AND DRIER DURING TONIGHT
AS A MILD AIRMASS WILL MOVE IN BEHIND THE COLD FRONT.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
141 PM CST FRI FEB 18 2000

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

1210 PM    WASHINGTON                AR   WIND DAMAGE
02/18/00   HEMPSTEAD                      TREES DOWN ACROSS COUNTY
                                          RD 4. REPORTED BY LAW
                                          ENFORCEMENT.

1220 PM    PRESCOTT                  AR   .75 INCH HAIL
02/18/00   NEVADA                         REPORTED BY LAW
                                          ENFORCEMENT.

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ARZ050-051-059>061-070>073-TXZ096-097-108>112-182100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
153 PM CST FRI FEB 18 2000

TORNADO WATCH NUMBER 38 HAS BEEN CANCELLED FOR THE FOLLOWING
COUNTIES IN NORTHEAST TEXAS... AND SOUTHWEST ARKANSAS...
CASS COUNTY TEXAS... AND MILLER COUNTY ARKANSAS.

THE TORNADO WATCH REMAINS IN EFFECT...UNTIL 400 PM...FOR NEVADA...
LAFAYETTE... COLUMBIA... AND UNION COUNTIES IN ARKANSAS.

A 10 MILE WIDE LINE OF STRONG TO SEVERE THUNDERSTORMS...CONTINUED AT
150 PM...FROM NEAR WATERLOO ARKANSAS...SOUTHWEST TO NEAR
JACKSONVILLE TEXAS. THESE STORMS WERE MOVING EAST AT ABOUT 20 MPH.

ARZ061-071>073-182100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
234 PM CST FRI FEB 18 2000

TORNADO WATCH NUMBER 38 HAS BEEN CANCELLED FOR LAFAYETTE AND NEVADA
COUNTIES IN SOUTHWEST ARKANSAS.

THE TORNADO WATCH REMAINS IN EFFECT...UNTIL 400 PM FOR UNION AND
COLUMBIA COUNTIES IN SOUTHERN ARKANSAS.

WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW A LINE OF VERY
STRONG THUNDERSTORMS THAT EXTENDED FROM NEAR CAMDEN THROUGH MAGNOLIA
IN ARKANSAS.  THE LINE OF THUNDERSTORMS CONTINUED TO MOVE EAST NEAR
30 MILES AN HOUR.  THESE STORMS REMAIN CAPABLE OF PRODUCING HIGH
WINDS...HAIL...AND POSSIBLY EVEN A TORNADO.

ARZ072-073-182200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
321 PM CST FRI FEB 18 2000

TORNADO WATCH NUMBER 38 HAS BEEN CANCELLED FOR COLUMBIA COUNTY IN
SOUTHWEST ARKANSAS.

THE TORNADO WATCH REMAINS IN EFFECT...UNTIL 400 PM FOR UNION COUNTY
IN SOUTHERN ARKANSAS.

WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW A LINE OF VERY
STRONG THUNDERSTORMS THAT EXTENDED THROUGH THE EL DORADO ARKANSAS
AREA INTO PORTIONS OF NORTHWEST LOUISIANA.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
327 PM CST FRI FEB 18 2000

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0225 PM    5 SW WASKOM               TX   1 INCH HAIL
02/18/00   HARRISON                       HAIL REPORTED IN ELYSIAN
                                          FIELDS BY LAW ENFORCEMENT.

0250 PM    SHREVEPORT                LA   .75 INCH HAIL
02/18/00   CADDO                          HAIL REPORTED AT
                                          BROADACRES AND BUNCOMB
                                          ROAD. REPORTED BY TRAINED
                                          SPOTTER.

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