Alert archive / Alabama / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 113, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Mar 13, 1999, 9:25 PM CST for Barbour County, Pike County, Alabama. It was in force for 50 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 13, 1999, 9:25 PM CST (03:25 UTC)
- Expired
- Mar 13, 1999, 10:15 PM CST
- In force
- 50 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Barbour County, AL, Pike County, AL
The radar
The Ft Rucker radar (KEOX), 46 km from the middle of the area, began a volume at 03:28 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 13, 9:50 PM CST | Thunderstorm Wind 55 | Blue Spgs, AL | Numerous trees were knocked down around Blue Springs. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 3.4 hours before the alert went out and 182 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
- 810 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 692 m²/s²
- 0-3 km storm-relative helicity
- 821 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KBHM 140326 RRA SVRBHM ALC005-109-140415- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 925 PM CST SAT MAR 13 1999 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED...A * SEVERE THUNDERSTORM WARNING FOR... BARBOUR COUNTY...IN SOUTHEASTERN ALABAMA... SOUTHEASTERN PIKE COUNTY...IN SOUTHEASTERN ALABAMA... * UNTIL 1015 PM CST. * AT 923 PM CST... WEATHER RADAR SHOWED A SEVERE THUNDERSTORM...MOVING OVER SOUTHEAST PIKE COUNTY...WILL MOVE ACROSS SOUTHERN BARBOUR COUNTY. MOVEMENT IS TO THE EAST AT 45 MPH. * THE STORM WILL AFFECT MOST LOCATIONS ACROSS SOUTHEAST PIKE AND THE SOUTHERN HALF OF BARBOUR COUNTIES. GO INSIDE A STURDY BUILDING...AND STAY AWAY FROM WINDOWS A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN...AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE...OR NO ADVANCE WARNING.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 9:42 PM CST | Tornado Warning | BMX | Barbour | 33 min |
| Mar 13, 9:51 PM CST | Severe Thunderstorm Warning | BMX | Montgomery | 34 min |
| Mar 13, 10:14 PM CST | Tornado Warning | BMX | Barbour | 31 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.