Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 243, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at May 9, 1998, 3:58 PM CDT for Carroll County, Holmes County, Mississippi. It was in force for 32 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
- May 9, 1998, 3:58 PM CDT (20:58 UTC)
- Expired
- May 9, 1998, 4:30 PM CDT
- In force
- 32 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Carroll County, MS, Holmes County, MS
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 9, 2:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.0 hours before the alert went out and 108 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
- 2055 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 303 m²/s²
- 0-3 km storm-relative helicity
- 533 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
467 WUUS1 KJAN 092057 RRA SVRJAN MSC015-051-092130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 358 PM CDT SAT MAY 9 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CARROLL COUNTY IN NORTH CENTRAL MISSISSIPPI NORTHERN HOLMES COUNTY IN CENTRAL MISSISSIPPI * UNTIL 430 PM CDT * AT 356 PM CDT... RADAR INDICATED A SEVERE THUNDERSTORM 22 MILES WEST OF VAIDEN OR 22 MILES SOUTHWEST OF CARROLLTON MOVING NORTHEAST AT 55 MPH. * SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE... CARROLLTON BY 415 PM CDT NORTH CARROLLTON BY 415 PM CDT VAIDEN BY 415 PM CDT 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. 75
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, May 9, 10:20 AM CDT, 5 hours 38 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-100400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1020 AM CDT SAT MAY 9 1998 ...THERE IS A THREAT SEVERE THUNDERSTORMS AND TORNDOES OVER NORTHERN MISSISSIPPI AND THE SOUTHEAST CORNER OF ARKANSAS THIS AFTERNOON AND EVENING... A LOW PRESSURE CENTER WILL MOVE EAST ACROSS SOUTH ARKANSAS AND NORTH MISSISSIPPI THIS AFTERNOON AND EVENING. MOISTURE IS EXPECTED TO BE CONCENTRATED ALONG AND NORTH OF A WARM FRONT THAT WILL EXTEND SOUTHEAST OR EAST FROM THE LOW. MOISTURE THAT WILL LIFT OVER THE FRONT WILL PRODUCE STRONG TO SEVERE THUNDERSTORMS FROM THE ARKANSAS / LOUISIANA BORDER AREA OF NORTHEAST LOUISIANA AND ACROSS NORTHERN MISSISIPPI NORTH OF YAZOO CITY TO PHILADELPHIA. AS THE LOW APPROACHES...LOW LEVEL SOUTHERLY WINDS WILL INCREASE AT THE SAME TIME STRONG UPPER LEVEL WINDS IN A JET STREAM WILL BE OVER THE AREA. THESE STRONG AND TURNING WINDS WILL PRODUCE CONDITIONS THAT COULD CAUSE TORNADOES ACROSS THE SAME AREA. IT WILL PROBABLY BE NECESSARY TO REQIEST THE ASSISTANCE OF STORM SPOTTERS...HAM RADIO OPERATORS...AND PUBLIC SAFETY OFFICIALS IN SEVERE WEATHER DETECTION AND WARNING LATER THIS AFTERNOON AND THIS EVNING. FOR MORE INFORMATION VISIT OUR WEB SITE AT: HTTP://WWW.JANNWS.STATE.MS.US /IN LOWER CASE LETTERS/
Special weather statement, May 9, 10:20 AM CDT, 5 hours 38 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-100400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1020 AM CDT SAT MAY 9 1998 ...THERE IS A THREAT SEVERE THUNDERSTORMS AND TORNDOES OVER NORTHERN MISSISSIPPI AND THE SOUTHEAST CORNER OF ARKANSAS THIS AFTERNOON AND EVENING... A LOW PRESSURE CENTER WILL MOVE EAST ACROSS SOUTH ARKANSAS AND NORTH MISSISSIPPI THIS AFTERNOON AND EVENING. MOISTURE IS EXPECTED TO BE CONCENTRATED ALONG AND NORTH OF A WARM FRONT THAT WILL EXTEND SOUTHEAST OR EAST FROM THE LOW. MOISTURE THAT WILL LIFT OVER THE FRONT WILL PRODUCE STRONG TO SEVERE THUNDERSTORMS FROM THE ARKANSAS / LOUISIANA BORDER AREA OF NORTHEAST LOUISIANA AND ACROSS NORTHERN MISSISIPPI NORTH OF YAZOO CITY TO PHILADELPHIA. AS THE LOW APPROACHES...LOW LEVEL SOUTHERLY WINDS WILL INCREASE AT THE SAME TIME STRONG UPPER LEVEL WINDS IN A JET STREAM WILL BE OVER THE AREA. THESE STRONG AND TURNING WINDS WILL PRODUCE CONDITIONS THAT COULD CAUSE TORNADOES ACROSS THE SAME AREA. IT WILL PROBABLY BE NECESSARY TO REQIEST THE ASSISTANCE OF STORM SPOTTERS...HAM RADIO OPERATORS...AND PUBLIC SAFETY OFFICIALS IN SEVERE WEATHER DETECTION AND WARNING LATER THIS AFTERNOON AND THIS EVNING. FOR MORE INFORMATION VISIT OUR WEB SITE AT: HTTP://WWW.JANNWS.STATE.MS.US /IN LOWER CASE LETTERS/
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 2:04 PM CDT | Severe Thunderstorm Warning | JAN | Washington | 31 min |
| May 9, 2:35 PM CDT | Severe Thunderstorm Warning | JAN | Washington | 35 min |
| May 9, 5:11 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Choctaw, Montgomery | 49 min |
| May 9, 5:31 PM CDT | Tornado Warning | JAN | Attala, Choctaw | 34 min |
| May 9, 5:56 PM CDT | Tornado Warning | JAN | Oktibbeha | 34 min |
| May 9, 6:10 PM CDT | Tornado Warning | JAN | Winston | 20 min |
| May 9, 6:17 PM CDT | Tornado Warning | JAN | Noxubee | 33 min |
| May 9, 6:32 PM CDT | Severe Thunderstorm Warning | JAN | Winston | 33 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1998Every severe thunderstorm warning in 1998
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.