Alert archive / Mississippi / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 21, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jan 17, 1999, 8:18 PM CST for Tishomingo County, Mississippi. It was in force for 47 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
- Jan 17, 1999, 8:18 PM CST (02:18 UTC)
- Expired
- Jan 17, 1999, 9:05 PM CST
- In force
- 47 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Tishomingo County, MS
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 2.3 hours before the alert went out and 157 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
- 2449 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 111 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 KMEM 180217 RRA SVRMEM MSC141-180305- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 818 PM CST SUN JAN 17 1999 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... TISHOMINGO COUNTY IN NORTHEASTERN MISSISSIPPI * UNTIL 905 PM CST * AT 815 PM CST... DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM PICKWICK TO CORINTH. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 30 MILES AN HOUR. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THESE STORMS. * THE LINE OF SEVERE THUNDERSTORMS WILL BE NEAR... BURNSVILLE BY 825 PM CST IUKA BY 840 PM CST .SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 7:53 PM CST | Severe Thunderstorm Warning | MEG | Alcorn, Benton, Tippah | 47 min |
| Jan 17, 7:53 PM CST | Severe Thunderstorm Warning | MEG | Marshall | 47 min |
| Jan 17, 8:37 PM CST | Severe Thunderstorm Warning | MEG | Panola, Quitman | 48 min |
| Jan 17, 8:57 PM CST | Severe Thunderstorm Warning | MEG | Lafayette | 48 min |
| Jan 17, 9:00 PM CST | Severe Thunderstorm Warning | MEG | Benton | 35 min |
| Jan 17, 9:08 PM CST | Severe Thunderstorm Warning | MEG | Tallahatchie | 47 min |
| Jan 17, 9:22 PM CST | Severe Thunderstorm Warning | MEG | Yalobusha | 48 min |
| Jan 17, 9:48 PM CST | Severe Thunderstorm Warning | MEG | Union | 47 min |
| Jan 17, 9:53 PM CST | Severe Thunderstorm Warning | MEG | Prentiss | 47 min |
| Jan 17, 10:01 PM CST | Severe Thunderstorm Warning | MEG | Calhoun, Pontotoc | 64 min |
| Jan 17, 10:07 PM CST | Severe Thunderstorm Warning | MEG | Yalobusha | 33 min |
| Jan 17, 10:51 PM CST | Severe Thunderstorm Warning | MEG | Chickasaw | 49 min |
| Jan 17, 10:59 PM CST | Severe Thunderstorm Warning | MEG | Lee | 51 min |
| Jan 17, 11:08 PM CST | Severe Thunderstorm Warning | MEG | Monroe | 47 min |
| Jan 17, 11:57 PM CST | Severe Thunderstorm Warning | MEG | Monroe | 33 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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.