Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 47, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 30, 1998, 7:38 PM CST for Benton County, Arkansas; Delaware County, Oklahoma. It was in force for 52 min. 5 reports 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 30, 1998, 7:38 PM CST (01:38 UTC)
- Expired
- Mar 30, 1998, 8:30 PM CST
- In force
- 52 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Benton County, AR, Delaware County, OK
The radar
The Tulsa radar (KINX), 95 km from the middle of the area, began a volume at 01:39 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 30, 8:00 PM CST | Thunderstorm Wind | Siloam Spgs, AR | Large tree blown down in city park |
| Mar 30, 8:10 PM CST | Thunderstorm Wind | Gentry, AR | Power lines blown down near Gentry |
| Mar 30, 8:20 PM CST | Thunderstorm Wind | Grove, OK | Power pole snapped |
| Mar 30, 8:25 PM CST | Tornado F1 | Gravette, AR | Considerable damage was reported with an F1 tornado and thunderstorm winds that blew through Gravette. Three homes in the area were damaged when large trees blew over. One of the houses' occupants described the storm as sounding like a freight train. Other |
| Mar 30, 8:35 PM CST | Thunderstorm Wind | Bella Vista, AR | Numerous trees blown down in Bella Vista. Newspaper clipping cited "trees down on cars,...trees down on houses,...and trees down on streets." Power lines blown down causing power outages. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 30, 7:00 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.6 hours before the alert went out and 88 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
- 368 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1388 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 247 m²/s²
- 0-3 km storm-relative helicity
- 389 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 310138 RRA SVRTUL ARC007-033-143-OKC041-310215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 738 PM CST MON MAR 30 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWESTERN ARKANSAS ...BENTON COUNTY ...CRAWFORD COUNTY ...WASHINGTON COUNTY IN NORTHEASTERN OKLAHOMA ...DELAWARE COUNTY AT 735 PM...RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM 5 MILES NORTH OF PROCTOR TO SALLISAW MOVING NORTHEAST AT 50 MPH. DAMAGING WINDS ARE LIKELY WITH THESE STORMS AS THEY AFFECT AREAS FROM SILOAM SPRING TO NATURAL DAM. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT FOR 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.
NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 30, 7:20 PM CST, 18 minutes earlier.
Area forecast discussion, Mar 30, 7:20 PM CST, 18 minutes before
FPUS3 KTUL 310119 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 720 PM CST MON MAR 30 1998 UPDATED MAINLY TO REFLECT NEW WATCH INFORMATION AND CURRENT RADAR TRENDS. MAY NEED TO UPDATE LATER TO BETTER REFLECT CURRENT WEATHER. .TUL... OK...NONE. AR...NONE. ABBAS
In the hours before
Local storm report, Mar 30, 6:48 PM CST, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
648 PM CST MON MAR 30 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0412 PM PAWHUSKA OK 1.00 INCH HAIL
03/30/98 OSAGE
0614 PM CANADIAN OK 0.75 INCH HAIL
03/30/98 PITTSBURG
0624 PM EUFAULA OK 60 MPH TSTM GUST
03/30/98 MCINTOSH
0615 PM 4 WNW EUFAULA OK 62 MPH TSTM GUST
03/30/98 MCINTOSH MEASURED BY OKLAHOMA
MESONETLocal storm report, Mar 30, 6:48 PM CST, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
648 PM CST MON MAR 30 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0412 PM PAWHUSKA OK 1.00 INCH HAIL
03/30/98 OSAGE
0614 PM CANADIAN OK 0.75 INCH HAIL
03/30/98 PITTSBURG
0624 PM EUFAULA OK 60 MPH TSTM GUST
03/30/98 MCINTOSH
0615 PM 4 WNW EUFAULA OK 62 MPH TSTM GUST
03/30/98 MCINTOSH MEASURED BY OKLAHOMA
MESONETThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 7:38 PM CST | Severe Thunderstorm Warning | TSA | Crawford, Washington | 52 min |
| Mar 30, 8:21 PM CST | Severe Thunderstorm Warning | TSA | Crawford, Washington | 24 min |
| Mar 30, 8:27 PM CST | Severe Thunderstorm Warning | TSA | Sebastian | 48 min |
| Mar 30, 8:35 PM CST | Severe Thunderstorm Warning | TSA | Benton | 25 min |
| Mar 30, 8:46 PM CST | Severe Thunderstorm Warning | TSA | Carroll, Crawford, Madison, Washington | 44 min |
| Mar 30, 9:02 PM CST | Severe Thunderstorm Warning | TSA | Franklin | 43 min |
| Mar 30, 9:17 PM CST | Severe Thunderstorm Warning | TSA | Sebastian | 28 min |
| Mar 30, 9:26 PM CST | Severe Thunderstorm Warning | TSA | Madison | 34 min |
| Mar 30, 6:14 PM CST | Severe Thunderstorm Warning | TSA | Muskogee | 46 min |
| Mar 30, 6:23 PM CST | Tornado Warning | TSA | McIntosh | 37 min |
| Mar 30, 6:32 PM CST | Severe Thunderstorm Warning | TSA | Pushmataha | 43 min |
| Mar 30, 6:40 PM CST | Severe Thunderstorm Warning | TSA | Haskell, Latimer | 50 min |
| Mar 30, 6:46 PM CST | Tornado Warning | TSA | Cherokee, Muskogee | 44 min |
| Mar 30, 6:51 PM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 39 min |
| Mar 30, 6:53 PM CST | Severe Thunderstorm Warning | TSA | Pittsburg | 52 min |
| Mar 30, 6:54 PM CST | Tornado Warning | TSA | Sequoyah | 51 min |
| Mar 30, 7:26 PM CST | Tornado Warning | TSA | Adair, Cherokee | 49 min |
| Mar 30, 7:30 PM CST | Severe Thunderstorm Warning | TSA | Latimer, LeFlore, Pushmataha | 45 min |
| Mar 30, 7:30 PM CST | Severe Thunderstorm Warning | TSA | Haskell | 45 min |
| Mar 30, 7:33 PM CST | Tornado Warning | TSA | Sequoyah | 42 min |
| Mar 30, 7:58 PM CST | Severe Thunderstorm Warning | TSA | Ottawa | 32 min |
| Mar 30, 8:12 PM CST | Severe Thunderstorm Warning | TSA | LeFlore | 48 min |
| Mar 30, 8:53 PM CST | Severe Thunderstorm Warning | TSA | LeFlore | 22 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1998Severe Thunderstorm Warnings in Oklahoma, 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; radar from the NEXRAD Level II archive.