Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 458, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 5, 1998, 2:24 PM CDT for Madison County, Washington County, Arkansas. It was in force for 66 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
- Oct 5, 1998, 2:24 PM CDT (19:24 UTC)
- Expired
- Oct 5, 1998, 3:30 PM CDT
- In force
- 66 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Madison County, AR, Washington County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 5, 3:30 PM CDT | Thunderstorm Wind | Pettigrew, AR | Large tree limbs were 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, 7.4 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
- 263 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 570 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 323 m²/s²
- 0-3 km storm-relative helicity
- 352 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
905 WUUS54 KTSA 051926 RRA SVRTUL ARC087-143-052030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK ISSUED BY NATIONAL WEATHER SERVICE SPRINGFIELD MO 224 PM CDT MON OCT 5 1998 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MADISON COUNTY IN NORTHWESTERN ARKANSAS WASHINGTON COUNTY IN NORTHWESTERN ARKANSAS * UNTIL 330 PM CDT * AT 228 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL THE SIZE OF PENNIES. THIS STORM WAS LOCATED 20 MILES SOUTH OF FAYETTEVILLE NEAR CHESTER AND WAS MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM(S) WILL BE NEAR... WINSLOW BY 235 DELANEY BY 245 PM VERY HEAVY RAINFALL ALSO ACCOMPANY THE STORMS. THE HEAVY RAIN MAY CAUSE MINOR FLOODING TO DEVELOP IN URBAN AND OTHER POOR DRAINAGE AREAS. RUNNELS
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 Oct 5, 10:10 AM CDT, 4 hours 14 minutes earlier.
Area forecast discussion, Oct 5, 10:10 AM CDT, 4 hours 14 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1010 AM CDT MON OCT 5 1998 HEAVY RAIN HAS SHIFTED SOUTHEAST AND IS STILL MAKING PROGRESS EASTWARD. HOWEVER BIG PIECE OF ENERGY STILL TO ROUND BASE OF UPPER TROF AND MOVE ACROSS SOUTHERN PLAINS THIS AFTERNOON AND TONIGHT. SURFACE COLD FRONT WAS EXTENDED FROM NEAR MIAMI TO OKEMAH BUT 850 MB TROF IS STILL NORTHWEST OF THE FORECAST AREA. SCATTERED SHOWERS WILL CONTINUE TO DEVELOP AND MOVE NORTHEAST OVER NORTHEAST OKLAHOMA WITH MAIN AREAS OF THUNDERSTORMS AND HEAVY RAINS SOUTHEAST OF CURRENT POSITION OF SURFACE COLD FRONT. DUE TO CURRENT RUNOFF AND FLASH FLOOD WARNINGS IN EFFECT WON'T CANCEL ANY OF THE FFA AT THIS TIME...BUT THREAT WILL HAVE SHIFTED INTO SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS THIS AFTERNOON...SO PLAN ON SHAVING OFF NORTHWEST PART OF WATCH EARLY THIS AFTERNOON. WILL UPDATE ZONES TO LOWER MAXES BEHIND COLD FRONT WHERE CLOUDS SCATTERED SHOWERS WILL KEEP TEMPERATURES FROM RISING MUCH. TEMPERATURES SHOULD BE STEADY OR FALL WITH PRECIP OVER THE REST OF THE AREA...EXCEPT NEAR RED RIVER WHERE SUNSHINE COULD LET TEMPS WARM INTO MID 80S. THREAT FOR SEVERE SHOULD BE LIMITED TO THAT AREA...BUT WILL HAVE TO MONITOR LEADING EDGE OF STORMS FOR POSSIBLE INTENSIFICATION. UPDATED ZONES SHOULD BE OUT BY 11AM. .TUL... OK...FLASH FLOOD WATCH FOR TODAY FOR ZONES OKZ049...OKZ053>077. AR...FLASH FLOOD WATCH FOR TODAY FOR ZONES ,ARZ001>002...ARZ010>011... ARZ019>020...ARZ029.
In the hours before
Special weather statement, Oct 5, 8:58 AM CDT, 5 hours 26 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-060>076-051410- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 858 AM CDT MON OCT 5 1998 SEVERE THUNDERSTORM WATCH NUMBER 866 THAT WAS ISSUED EARLY THIS MORNING FOR MOST OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS HAS BEEN CANCELLED. AT 855 AM WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS CONTINUING TO MOVE ACROSS NORTHWEST ARKANSAS AND EASTERN OKLAHOMA. FLASH FLOOD WARNINGS REMAIN IN EFFECT ASSOCIATED WITH THE SHOWERS AND THUNDERSTORMS...HOWEVER THE THREAT OF SEVERE WEATHER HAS DIMINISHED OVER THE AREA AND THE WATCH HAS BEEN CANCELLED.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 2:12 AM CDT | Severe Thunderstorm Warning | TSA | Benton | 48 min |
| Oct 5, 2:56 AM CDT | Severe Thunderstorm Warning | TSA | Benton | 49 min |
| Oct 5, 3:56 AM CDT | Severe Thunderstorm Warning | TSA | Benton | 49 min |
| Oct 5, 4:07 AM CDT | Tornado Warning | TSA | Benton | 23 min |
| Oct 5, 4:35 AM CDT | Flash Flood Warning | TSA | Benton | 3 hr |
| Oct 5, 7:55 AM CDT | Flash Flood Warning | TSA | Benton | 3 hr |
| Oct 5, 10:53 AM CDT | Flash Flood Warning | TSA | Benton, Washington | 3 hr |
| Oct 5, 1:49 PM CDT | Flash Flood Warning | TSA | Benton, Washington | 3 hr |
| Oct 5, 2:13 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 32 min |
| Oct 5, 3:15 PM CDT | Flash Flood Warning | TSA | Carroll, Madison | 3 hr |
| Oct 5, 3:15 PM CDT | Flash Flood Warning | TSA | Franklin, Sebastian | 3 hr |
| Oct 5, 3:24 PM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 51 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.