Tornado Watch 155

Issued

Apr 3, 2000, 10:30 AM CDT (15:30 UTC)

Expired

Apr 3, 2000, 4:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The Birmingham radar (KBMX), 154 km from the middle of the area, began a volume at 15:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
WWUS9 KMKC 031456
MKC WW 031456
ALZ000-FLZ000-MSZ000-CWZ000-032100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 155
STORM PREDICTION CENTER NORMAN OK
956 AM CDT MON APR 3 2000

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   ALABAMA                            
   FLORIDA PANHANDLE                            
   SOUTHEAST MISSISSIPPI                        
   COASTAL WATERS                     

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1030 AM UNTIL 400
PM CDT.

 ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
 
DAMAGING TORNADOES...LARGE HAIL TO 1 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST
OF A LINE FROM 40 MILES SOUTH SOUTHEAST OF MOBILE ALABAMA TO 20
MILES NORTH OF HUNTSVILLE ALABAMA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...  CONTINUE...WW 154...

DISCUSSION...INTENSE SQUALL LINE IS RACING NEWD AT 40-45 KT ACROSS
MS. WIND FIELDS FROM MORNING SOUNDINGS AND UPPER AIR DATA SHOW
EXTREMELY FAVORABLE WIND FIELDS FOR SEVERE THUNDERSTORMS ACROSS THE
REGION. PROXIMITY OF NEAR 70F DEWPOINTS AND E-W OUTFLOW BOUNDARY TO
ENHANCE LOW LEVEL HELICITY...POTENTIAL FOR WIDESPREAD DAMAGING
WINDS AND ISOLATED STRONG TORNADOES EXISTS THROUGH THE AFTERNOON
HOURS. TORNADO THREAT WILL BE GREATEST INVOF OUTFLOW BOUNDARY OVER
CNTRL AL...ESPECIALLY IF ISOLATED CELLS CAN DEVELOP AHEAD OF THE
LINE. 


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORZM MOTION VECTOR 24040.


...VESCIO

;345,0853 300,0864 300,0891 345,0880;

Tornado Watches in Alabama, 2000Tornado Watches in Mississippi, 2000Tornado Watches in Florida, 2000Every tornado watch in 2000

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.