Severe Thunderstorm Watch 600

Issued

Jul 20, 2000, 4:00 PM CDT (21:00 UTC)

Expired

Jul 20, 2000, 8:00 PM CDT

In force

4 hr

Issued by

the Storm Prediction Center

The Northeast Alabama radar (KHTX), 117 km from the middle of the area, began a volume at 21:03 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 202042
MKC WW 202036
ALZ000-GAZ000-MSZ000-TNZ000-210100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 600
STORM PREDICTION CENTER NORMAN OK
336 PM CDT THU JUL 20 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   CENTRAL AND NORTHERN ALABAMA                            
   FAR NORTHWEST GEORGIA                            
   NORTHEAST MISSISSIPPI                        
   MIDDLE AND EASTERN TENNESSEE                          

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 400 PM UNTIL 800
PM CDT.

HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 105 STATUTE MILES
EAST AND WEST OF A LINE FROM 30 MILES WEST SOUTHWEST OF TUSCALOOSA
ALABAMA TO 50 MILES NORTH OF CROSSVILLE TENNESSEE.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 598.  WATCH NUMBER 598 WILL NOT BE
IN EFFECT AFTER 400 PM CDT.  CONTINUE...WW 599...

DISCUSSION...W TN/N MS MCS EXPECTED TO CONTINUE ESE IN ENVIORNMENT
OF MODERATE WNWLY SHEAR THROUGH EARLY THIS EVENING.  THREAT WILL
CONTINUE FOR STRONG CONVECTIVE DOWNDRAFTS WHERE SURFACE HEATING OF
MODERATELY MOIST BOUNDARY LAYER HAS INCREASED TEMPERATURE/
DEWPOINTS SPREADS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. 
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM MOTION
VECTOR 29035.

...CORFIDI

;363,0831 330,0861 330,0895 363,0865;

Severe Thunderstorm Watches in Tennessee, 2000Severe Thunderstorm Watches in Alabama, 2000Severe Thunderstorm Watches in Mississippi, 2000Every severe thunderstorm 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.