Alert archive / Mississippi / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 21, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 2, 1991, 3:48 PM CST for Neshoba County, Mississippi. It was in force for 42 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 2, 1991, 3:48 PM CST (21:48 UTC)
- Expired
- Mar 2, 1991, 4:30 PM CST
- In force
- 42 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Neshoba County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 2, 4:20 PM CST | Hail 0.75 | Neshoba, MS |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.8 hours before the alert went out and 102 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
- 1217 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMEI 022149 SVRMEI MSC099-022230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MERIDIAN MS 348 PM CST SAT MAR 2 1991 THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSISSIPPI ...NESHOBA COUNTY AT 345 PM CST RADAR INDICATED A SEVERE THUNDERSTORM 15 SOUTHWEST OF PHILDELPHIA MISSISSIPPI. IT WAS MOVING NORTHEAST AT 30 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, Mar 2, 12:12 PM CST, 3 hours 36 minutes before
MSZALL-022100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1210 PM CST SAT MAR 2 1991 ...THREAT OF SEVERE WEATHER LATER TODAY... AT EARLY AFTERNOON...A COLD FRONT STRETCHED FROM ACROSS EASTERN ARKANSAS INTO EAST TEXAS WHERE LOW PRESSURE WAS RAPIDLY DEEPENING. ACROSS MISSISSIPPI...SOUTHERLY WINDS CONTINUED TO BRING ABUNDANT GULF MOISTURE AND TEMPERATURES WERE IN THE 70S. THE COMBINATION OF THE UNSTABLE AIR MASS OVER MISSISSIPPI...THE APPROACHING LOW PRESSURE SYSTEM AND INCREASING WINDS ALOFT WILL BE FAVORABLE FOR NUMEROUS THUNDERSTORMS TO DEVELOP OVER MISSISSIPPI THIS AFTERNOON AND EVENING. SOME OF THE STORMS COULD BECOME SEVERE...ESPECIALLY OVER THE SOUTH HALF OF MISSISSIPPI. RESIDENTS OF THE MAGNOLIA STATE ARE ADVISED TO BE WEATHER ALERT AND KEEP UPDATED TO THE LATEST INFORMATION ABOUT THIS SEVERE WEATHER THREAT.
Special weather statement, Mar 2, 3:20 PM CST, 28 minutes before
MSC099-101-022315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 319 PM CST SAT MAR 2 1991 AT 316 PM CST RADAR SHOWED A 15 MILE WIDE AREA OF SCATTERED INTENSE THUNDERSTORMS THAT EXTENDED FROM 15 MILES SOUTHEAST OF PHILADELPHIA TO 20 MILES WEST OF JACKSON. THEY WERE MOVING EAST AT 35 MPH. SOME OF THESE STORM ARE PRODUCING VERY HEAVY RAINFALL...GUSTY WINDS...AND FREQUENT LIGHTNING STRIKES. ALL OF YOU IN NESHOBA AND NEWTON CxOUNTIES OF EAST CENTRAL MISSISSIPPI SHOULD EXPECT THUNDERSTORMS FOR AT LEAST THE NEXT 1 TO 2 HOURS.
Special weather statement, Mar 2, 3:23 PM CST, 25 minutes before
MSZ009-022315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 319 PM CST SAT MAR 2 1991 AT 316 PM CST RADAR SHOWED A 15 MILE WIDE AREA OF SCATTERED INTENSE THUNDERSTORMS THAT EXTENDED FROM 15 MILES SOUTHEAST OF PHILADELPHIA TO 20 MILES WEST OF JACKSON. THEY WERE MOVING EAST AT 35 MPH. SOME OF THESE STORM ARE PRODUCING VERY HEAVY RAINFALL...GUSTY WINDS...AND FREQUENT LIGHTNING STRIKES. ALL OF YOU IN NESHOBA AND NEWTON COUNT}IES OF EAST CENTRAL MISSISSIPPI SHOULD EXPECT THUNDERSTORMS FOR AT LEAST THE NEXT 1 TO 2 HOURS.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 2:32 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 43 min |
| Mar 2, 3:16 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 44 min |
| Mar 2, 3:32 PM CST | Severe Thunderstorm Warning | JAN | Rankin, Scott | 43 min |
| Mar 2, 3:32 PM CST | Severe Thunderstorm Warning | JAN | Leake | 43 min |
| Mar 2, 3:59 PM CST | Severe Thunderstorm Warning | JAN | Noxubee, Winston | 31 min |
| Mar 2, 4:21 PM CST | Severe Thunderstorm Warning | JAN | Kemper | 54 min |
| Mar 2, 4:36 PM CST | Severe Thunderstorm Warning | JAN | Noxubee | 54 min |
| Mar 2, 4:36 PM CST | Severe Thunderstorm Warning | JAN | Neshoba | 54 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1991Every severe thunderstorm warning in 1991
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.