Alert archive / Alabama / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 516, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 25, 1999, 2:20 PM CDT for Pike County, Alabama. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1999, 2:20 PM CDT (19:20 UTC)
- Expired
- Aug 25, 1999, 2:55 PM CDT
- In force
- 35 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Pike County, AL
The nearest sounding before it
Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 7.3 hours before the alert went out and 156 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
- 2519 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 623 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.9
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
Special weather statement, Aug 25, 10:21 AM CDT, 3 hours 59 minutes before
ALZ001>050-GAZ089-090-102-120-261400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BIRMINGHAM AL 1021 AM CDT WED AUG 25 1999 THE ALABAMA FOREST COMMISSION HAS ISSUED A FIRE ALERT TODAY FOR MOST OF NORTHWEST AND WEST-CENTRAL ALABAMA. RADAR SHOWED A LARGE AREA OF RAIN...AND SCATTERED THUNDERSTORMS MOVING OVER PORTIONS OF CENTRAL ALABAMA THIS MORNING. A COLD FRONT STRETCHED FROM NEAR NASHVILLE TO MEMPHIS TO SHREVEPORT AND A MOIST AND UNSTABLE AIRMASS AHEAD OF THIS FRONT IS TRIGGERING THE THUNDERSTORM ACTIVITY. THE COLD FRONT IS EXPECTED TO SLOWLY MOVE OVER THE NORTHERN ALABAMA THIS AFTERNOON AND INTO SOUTH ALABAMA TONIGHT. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG...AND AHEAD OF THE COLD FRONT AS IT MOVES THROUGH THE STATE. A FEW OF THE STORMS MAY BECOME SEVERE PRODUCING DAMAGING WINDS AND HAIL. EMERGING MANAGEMENT OFFICIALS AND STORM SPOTTERS MAY NEED TO BE ACTIVATED THIS AFTERNOON IN NORTH ALABAMA AND THIS EVENING AND TONIGHT IN SOUTH ALABAMA. IN ADDITION...THE PUBLIC IS REQUESTED TO EXERCISE CAUTION DURING THE FIRE DANGER PERIOD AND TO HELP PREVENT FOREST AND GRASS FIRES. THE HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST ALABAMA... SEE PRODUCT BHMSPSMOB. FOR SOUTHEAST ALABAMA...LOOK AT MIASPSTLH. FOR MORE WEATHER INFORMATION VISIT OUR INTERNET SITE ON THE WORLD WIDE WEB AT http://www.aces.edu/nws/
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 3:30 PM CDT | Severe Thunderstorm Warning | BMX | Hale, Marengo | 30 min |
| Aug 25, 4:11 PM CDT | Tornado Warning | BMX | Dallas | 34 min |
| Aug 25, 4:43 PM CDT | Tornado Warning | BMX | Dallas | 32 min |
| Aug 25, 5:11 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 34 min |
| Aug 25, 6:37 PM CDT | Severe Thunderstorm Warning | BMX | Etowah | 48 min |
| Aug 25, 3:18 PM CDT | Severe Thunderstorm Warning | BMX | Stewart | 27 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1999Every severe thunderstorm warning in 1999
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.