Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 135, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 20, 1990, 2:05 PM CDT for Cullman County, Alabama. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Aug 20, 1990, 2:05 PM CDT (19:05 UTC)
- Expired
- Aug 20, 1990, 2:30 PM CDT
- In force
- 25 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Cullman County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 12:00Z, 7.1 hours before the alert went out and 140 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Aug 20, 10:07 AM CDT, 3 hours 58 minutes before
STORM REPORT NATIONAL WEATHER SERVICE MONTGOMERY AL 1000AM CDT MON AUG 20 1990 ADDITIONAL STORM REPORTS FOR STORMS OF AUGUST 19TH, 1990DAY'S STORM.. PIKE COUNTY...5 30PM CDT...TREES DOWN SEVERAL LOCATION IN COUNTY... CHICKEN HOUSE DAMAGED IN GOSHEN AND HENDERSON. CITY OF TROY WITHOUT ELECTRICITY UNTIL 1030PM CDT. SMALL HAIL AND 3 INCHES OF RAIN. WARNINGS IN EFFECT...NONE CRENSHAW COUNTY...AROUND 5PM CDT...TREES AND POWER LINES DOWN AT HIGHLAND HOME. REPORT FROM CO-OP OBSERVER. WARNINGS IN EFFECT...NONE. PETTIT
Local storm report, Aug 20, 12:13 PM CDT, 1 hour 52 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1215 PM CDT MON AUG 20 1990
...DELAYED STORM REPORTS FOR AUGUST 19 1990...
THESE EVENTS OCCURRED AROUND 5 PM AT UNION GROVE CLOSE TO THE JEMISON EXIT.
ON I 65.
...21 ACRES OF APPLE TREES WERE HEAVILY DAMAGED BY WINDS
AS WELL AS ROOF BLOWN OFF NEARBY BARN.
...AT KOA CAMPGROUND...ROOF OFF ADMINSTRATION BUILDING
RESULTING IN WATER DAMAGE TO OFFICES.
...SEVERAL LIGHT^ POLES AND SIGN WERE BLOWN DOWN.
NO WARNINGS WERE IN EFFECT.
INFORMATION RELAYED TO STATE EMA BY CHILTON COUNTY EMERGENCY MANAGEMENT
OFFICALSpecial weather statement, Aug 20, 1:31 PM CDT, 34 minutes before
ALZ004>009-011-201930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 130 PM CDT MON AUG 20 1990 SHOWERS AND A FEW THUNDERSTORMS ARE FIRING UP QUICKLY ACROSS CENTRAL ALABAMA THIS AFTERNOON. AT 125 PM WEATHER SERVICE RADAR AT CENTREVILLE INDICATED A BROKEN LINE OF SHOWERS AND STORMS WHICH EXTENDED FROM NEAR COLLINSVILLE IN DE KALB COUNTY WESTWARD INTO NORTHERN CULLMAN...WINSTON AND MARION COUNTIES. ANOTHER STRONG STORM WAS IN CLAY COUNTY ABOUT 10 MILES EAST OF ASHLAND. MOVEMENT OF THE STORMS WERE SLOW AND ERRATIC AND BECAUSE OF THIS...VERY HEAVY DOWNPOURS ARE POSSIBLE RESULTING IN LARGE AMOUNTS OF RAIN IN A SHORT TIME. IN ADDITION TO THE HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT LIGHTNING CAN BE EXPECTED WITH THESE STORMS. PERSONS SHOULD MOVE INSIDE A STRONG BUILDING SHOULD THREATENING WEATHER APPROACH. CONTINUE TO LISTEN TO NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR LATER WEATHER UPDATES AND STATEMENTS.
Special weather statement, Aug 20, 2:04 PM CDT, 1 minute before
ALZ004>009-011-202000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 202 PM CDT MON AUG 20 1990 STRONG THUNDERSTORMS WERE DEVELOPING IN NORTHERN ALABAMA THIS AFTERNOON. AT 200 PM WEATHER SERVICE RADAR AT CENTREVILLE SHOWED NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS THE NORTH HALF OF ALABAMA. SOME OF THE STORMS WERE QUITE STRONG. ONE OF THE STORMS...IN CULLMAN COUNTY...PRODUCED MARBLE SIZED HAIL...VERY STRONG GUSTY WINDS AND HEAVY DOWNPOURS AROUND 140 PM. LIGHT TO MODERATE SHOWERS WERE WIDELY SCATTERED OVER CENTRAL ALABAMA. WITH HOT AFTERNOON TEMPERATURES...A FEW THESE SHOWERS MAY BUILD INTO THUNDERSTORMS WITHIN A VERY SHORT TIME. ALABAMIANS NEED TO KEEP THIS IN MIND THIS AFTERNOON AND BE PREPARED TO MOVE TO SAFE SHELTER IF THREATENING WEATHER APPROACHES YOU. CONTINUE TO LISTEN TO NOAA WEATHER RADIO...OR LOCAL NEWS MEDIA FOR LATER WEATHER UPDATES AND STATEMENTS.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 2:35 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 25 min |
| Aug 20, 2:54 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson | 36 min |
| Aug 20, 3:25 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 35 min |
| Aug 20, 3:42 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 33 min |
| Aug 20, 4:11 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 34 min |
| Aug 20, 4:15 PM CDT | Severe Thunderstorm Warning | BMX | Fayette | 30 min |
| Aug 20, 4:34 PM CDT | Severe Thunderstorm Warning | BMX | Bibb | 26 min |
| Aug 20, 4:43 PM CDT | Severe Thunderstorm Warning | BMX | Fayette | 32 min |
| Aug 20, 4:56 PM CDT | Severe Thunderstorm Warning | BMX | Bibb | 34 min |
| Aug 20, 5:28 PM CDT | Severe Thunderstorm Warning | BMX | Perry | 32 min |
| Aug 20, 6:30 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Hale | 45 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1990Every severe thunderstorm warning in 1990
Sources
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.