Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 39, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 15, 1993, 4:12 PM CST for Carroll County, Holmes County, Leflore County, Mississippi. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Feb 15, 1993, 4:12 PM CST (22:12 UTC)
- Expired
- Feb 15, 1993, 5:15 PM CST
- In force
- 63 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Carroll County, MS, Holmes County, MS, Leflore County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 10.2 hours before the alert went out and 117 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
- 1320 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 291 m²/s²
- 0-3 km storm-relative helicity
- 382 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 KJAN 152213 SVRJAN MSC015-051-083-053-055-125-152315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 412 PM CST MON FEB 15 1993 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN CENTRAL MISSISSIPPI ...CARROLL COUNTY...HOLMES COUNTY IN NORTH CENTRAL MISSISSIPPI ...LEFLORE COUNTY IN WEST CENTRAL MISSISSIPPI ...HUMPHREYS COUNTY...ISSAQUENA COUNTY...SHARKEY COUNTY A LINE OF SEVERE THUNDERSTORMS WILL BE MOVING THROUGH THE WARNED AREA BETWEEN NOW AND 515 PM CST THIS AFTERNOON. A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. <
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, Feb 15, 10:47 AM CST, 5 hours 25 minutes before
MSZALL-152100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1040 AM CST MON FEB 15 1993 ...THUNDERSTORMS BECOMING MORE LIKELY FOR TONIGHT...SOME SEVERE... EVIDENCE CONTINUES TO MOUNT FROM THE NATIONAL WEATHER SERVICE COMPUTER MODELS THAT THUNDERSTORMS WILL BE LIKELY FOR TONIGHT. IN FACT...SOME OF THOSE STORMS WILL PROBABLY BECOME SEVERE WITH ISOLATED STRONG TORNADOES POSSIBLE. BEST INFORMATION AT THIS TIME INDICATES THAT STORMS MAY BE SEVERE MAINLY FROM AROUND 5PM THROUGH 2AM AS THEY MOVE IN RAPIDLY FROM THE WEST. A DEVELOPING STORM SYSTEM IN CENTRAL TEXAS WAS ACCELERATING TOWARD THE NORTHEAST THIS MORNING. THIS SYSTEM IS FORECAST TO INTENSIFY AS IT CROSSES THE LOWER MISSISSIPPI VALLEY AND IT WILL CAUSE STRONG SURFACE WINDS TO DEVELOP THIS AFTERNOON. A WIND ADVISORY IS IN EFFECT FOR SECTIONS OF WESTERN MISSISSIPPI FOR WINDS OF BETWEEN 20 AND 30 MPH WITH SOME GUSTS UP TO 35 OR 40 MPH POSSIBLE. ALREADY TORNADO WATCHES ARE POSTED IN PARTS OF EAST TEXAS AND STORMS ARE INCREASING BETWEEN THE DALLAS AND SHREVEPORT AREAS. RESIDENTS OF THE MAGNOLIA STATE SHOULD KEEP TUNED TO LATER FORECASTS TODAY AND TONIGHT. CHECK YOUR PREPAREDNESS REQUIREMENTS AS THIS IS POTENTIALLY DANGEROUS WEATHER SITUATION. PLAN NOW WHAT YOU WOULD DO WHEN AND IF A SEVERE THUNDERSTORM THREATENS YOUR AREA...SECONDS CAN SAVE LIVES.
Special weather statement, Feb 15, 2:28 PM CST, 1 hour 44 minutes before
MSZALL-160000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 215 PM CST MON FEB 15 1993 ...THUNDERSTORMS POISED TO THE WEST...SOME SEVERE FOR TONIGHT... STRONG TO SEVERE THUNDERSTORMS HAVE ERUPTED FROM NORTHWEST LOUISIANA BACK INTO CENTRAL TEXAS THIS AFTERNOON. THESE STORMS ARE MARCHING EASTWARD AT BETWEEN 40 AND 50 MPH MEANING THAT THEY COULD REACH THE MISSISSIPPI RIVER BETWEEN 4 AND 6 PM CST. A TORNADO WATCH IS ALSO IN EFFECT FOR MOST OF THE NORTHWEST HALF OF LOUISIANA AT THIS TIME. A DEEPENING LOW PRESSURE CENTER NEAR WACO, TX WILL ACCELERATE NORTHEAST REACHING NEAR MEMPHIS BY MIDNIGHT. STRONG SOUTHERLY WINDS GUSTING UP TO 35 OR 40 MPH ARE LIKELY TO IMPACT THE WESTERN HALF OF MISSISSIPPI SHORTLY AND A WIND ADVISORY REMAINS IN EFFECT FOR THOSE AREAS. INCREASING WARM MOIST AIR FROM THE GULF OF MEXICO WILL FUEL THE THUNDER- STORMS AS THEY RACE ACROSS THE MAGNOLIA STATE TONIGHT. < RESIDENTS OF MAINLY CENTRAL AND SOUTH MISSISSIPPI SHOULD KEEP TUNED TO THE LATEST WEATHER INFORMATION THROUGH TONIGHT. CHECK YOUR SAFETY PLANS AND BE READY TO SEEK SHELTER IN A STURDY BUILDING ON THE LOWEST FLOOR AWAY FROM WINDOWS. THIS IS BECOMING A DANGEROUS WEATHER SITUATION AND YOUR RESPONSE TO APPROACHING SEVERE STORMS COULD SAVE YOUR LIFE... SECONDS CAN BE THE DIFFERENCE.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 3:33 PM CST | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower, Washington | 42 min |
| Feb 15, 4:12 PM CST | Severe Thunderstorm Warning | JAN | Humphreys, Sharkey | 63 min |
| Feb 15, 4:12 PM CST | Severe Thunderstorm Warning | JAN | Issaquena | 63 min |
| Feb 15, 4:14 PM CST | Tornado Warning | JAN | Holmes | 31 min |
| Feb 15, 4:28 PM CST | Tornado Warning | JAN | Yazoo | 32 min |
| Feb 15, 4:28 PM CST | Tornado Warning | JAN | Carroll | 32 min |
| Feb 15, 4:37 PM CST | Severe Thunderstorm Warning | JAN | Grenada, Montgomery | 53 min |
| Feb 15, 5:02 PM CST | Tornado Warning | JAN | Attala, Holmes | 28 min |
| Feb 15, 5:13 PM CST | Severe Thunderstorm Warning | JAN | Yazoo | 47 min |
| Feb 15, 5:20 PM CST | Tornado Warning | JAN | Winston | 55 min |
| Feb 15, 5:27 PM CST | Tornado Warning | JAN | Choctaw | 18 min |
| Feb 15, 5:33 PM CST | Severe Thunderstorm Warning | JAN | Attala, Holmes | 42 min |
| Feb 15, 5:33 PM CST | Severe Thunderstorm Warning | JAN | Madison | 42 min |
| Feb 15, 5:46 PM CST | Tornado Warning | JAN | Attala | 29 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1993Every severe thunderstorm warning in 1993
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.