Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 247, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 1998, 11:45 AM CDT for Franklin County, Arkansas. It was in force for 30 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
- May 29, 1998, 11:45 AM CDT (16:45 UTC)
- Expired
- May 29, 1998, 12:15 PM CDT
- In force
- 30 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Franklin County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 29, 11:45 AM CDT | Thunderstorm Wind | Charleston, AR | Several trees blown down |
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
Springfield, MO (KSGF), launched 12:00Z, 4.8 hours before the alert went out and 155 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
- 21 J/kg
- Mixed-layer CIN
- -609 J/kg
- Mixed-layer LCL
- 871 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 125 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 KTUL 291645 RRA SVRTUL ARC047-291715- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1145 AM CDT FRI MAY 29 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN FRANKLIN COUNTY IN NORTHWESTERN ARKANSAS * UNTIL 1215 PM CDT * AT 1144 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A CLUSTER OF SEVERE THUNDERSTORMS NEAR CHARLESTON...MOVING SOUTHEAST AT 25 MPH. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. WHEN THUNDERSTORMS APPROACH...TAKE COVER INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING STAY OFF THE PHONE AND DON'T USE HAND HELD ELECTRICAL APPLIANCES. MOTORISTS SHOULD NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 29, 10:58 AM CDT, 47 minutes earlier.
Area forecast discussion, May 29, 10:58 AM CDT, 47 minutes before
FPUS3 KTUL 291600 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1058 AM CDT FRI MAY 29 1998 BUSY WITH SVR WX ATTM. UPDATE TO ZONES WL BE DLAD UNTIL 17Z. 11/09 .TUL... OK...NONE. AR...NONE.
In the hours before
Special weather statement, May 29, 6:00 AM CDT, 5 hours 45 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-301200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CDT FRI MAY 29 1998 NO THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THROUGH TONIGHT. THUNDERSTORMS IN KANSAS AND MISSOURI WILL REMAIN NORTHEAST OF THE AREA EARLY THIS MORNING...BUT THEY WILL PUSH AN OUTFLOW BOUNDARY SOUTHWARD INTO FAR NORTHEAST OKLAHOMA AND POSSIBLY INTO THE NORTHWEST CORNER OF ARKANSAS. WITH HIGH PRESSURE ALOFT BUILDING INTO THE REGION...THE BOUNDARY SHOULD QUICKLY WASH OUT BY MIDDAY AND IS NOT EXPECTED TO BE IN THE AREA BY MAXIMUM HEATING THIS AFTERNOON. THE CAP OF WARM MID LEVEL AIR WILL ALSO INCREASE BY AFTERNOON AND SHOULD PREVENT THUNDERSTORM DEVELOP OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON. THUNDERSTORMS MAY REDEVELOP IN NORTHERN KANSAS LATE THIS AFTERNOON NEAR A STATIONARY FRONT...WITH A COMPLEX OF STORMS POSSIBLY AGAIN ORGANIZING AND MOVING SOUTHEAST INTO EASTERN KANSAS AND MISSOURI OVERNIGHT. AT THIS TIME THESE STORMS ARE EXPECTED TO REMAIN NORTH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. AN UPDATED OUTLOOK WILL BE ISSUED AROUND 1PM.
Special weather statement, May 29, 7:22 AM CDT, 4 hours 23 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-301200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TULSA OK 722 AM CDT FRI MAY 29 1998 NO SEVERE THUNDERSTORMS ARE EXPECTED ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THROUGH TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS...LEFT OVER FROM A THUNDERSTORM COMPLEX IN KANSAS AND MISSOURI...WILL MOVE SOUTHEAST AND MAY AFFECT PARTS OF FAR NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS THIS MORNING. THESE ARE EXPECTED TO CONTINUE TO SLOWLY DIMINISH AS THEY MOVE INTO AREAS NORTHEAST OF A LINE FROM VINITA TO FAYETTEVILLE BUT MAY PRODUCE A PERIOD OF MODERATE RAINFALL ALONG WITH DANGEROUS LIGHTNING. THE COMPLEX OF STORMS IN KANSAS AND MISSOURI WILL PUSH AN OUTFLOW BOUNDARY SOUTHWARD INTO FAR NORTHEAST OKLAHOMA AND POSSIBLY INTO THE NORTHWEST CORNER OF ARKANSAS. WITH HIGH PRESSURE ALOFT BUILDING INTO THE REGION...THE BOUNDARY SHOULD QUICKLY WASH OUT BY MIDDAY AND IS NOT EXPECTED TO BE IN THE AREA BY MAXIMUM HEATING THIS AFTERNOON. THE CAP OF WARM MID LEVEL AIR WILL ALSO INCREASE BY AFTERNOON AND SHOULD PREVENT THUNDERSTORM DEVELOP OVER EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON. THUNDERSTORMS MAY REDEVELOP IN NORTHERN KANSAS LATE THIS AFTERNOON NEAR A STATIONARY FRONT...WITH A COMPLEX OF STORMS POSSIBLY AGAIN ORGANIZING AND MOVING SOUTHEAST INTO EASTERN KANSAS AND MISSOURI OVERNIGHT. AT THIS TIME THESE STORMS ARE EXPECTED TO REMAIN NORTH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. AN UPDATED OUTLOOK WILL BE ISSUED AROUND 1PM.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 10:25 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Madison, Washington | 65 min |
| May 29, 10:57 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 48 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.