Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 294, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 22, 1997, 7:25 PM CDT for Sebastian County, Arkansas; LeFlore County, Oklahoma. It was in force for 35 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
- Jul 22, 1997, 7:25 PM CDT (00:25 UTC)
- Expired
- Jul 22, 1997, 8:00 PM CDT
- In force
- 35 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Sebastian County, AR, LeFlore County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 22, 7:45 PM CDT | Thunderstorm Wind | Greenwood, AR | Isolated severe thunderstorms developed in Sebastian County of northwest Arkansas during the late afternoon and early evening of July 22nd and produced damaging winds. Strong thunderstorm winds downed trees and power lines and damaged outbuildings in Lavaca, a |
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 00:00Z, 0.4 hours before the alert went out and 215 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
- 1865 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1432 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 1 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 230025 RRA SVRTUL ARC131-OKC079-230100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 725 PM CDT TUE JUL 22 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL ARKANSAS ...NORTHERN SEBASTIAN COUNTY IN SOUTHEAST OKLAHOMA ...NORTHERN LE FLORE COUNTY AT 722 PM...RADAR INDICATED A CLUSTER OF SEVERE THUNDERSTORMS OVER NORTHERN LE FLORE AND NORTHERN SEBASTIAN COUNTIES. THE STORMS EXTENDED FROM NEAR SPIRO TO NEAR GREENWOOD AND WERE NEARLY STATIONARY. SPIRO... POCOLA...HACKETT AND BARLING WILL BE AFFECTED BY THESE STORMS. HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. DURING THE STORM MOVE INDOORS AND STAY AWAY FROM WINDOWS. TO PROTECT YOURSELF FROM LIGHTNING DO NOT USE THE TELEPHONE OR HAND HELD ELECTRICAL APPLIANCES...UNLESS IN AN EMERGENCY. MOTORISTS SHOULD BE ALERT FOR WATER ON ROADWAYS AND NEVER DRIVE ONTO A FLOODED ROAD. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
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 Jul 22, 3:04 PM CDT, 4 hours 21 minutes earlier.
Area forecast discussion, Jul 22, 3:04 PM CDT, 4 hours 21 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 300 PM CDT TUE JUL 22 1997 WV SATL PICS CONT TO SHOW VORT MAX SPINNING OVR NERN TX. SCT TSTMS HV DVLPD OVR SERN OK AND WCNTL AR JUST INSIDE THE MID LVL DRY SLOT. WRMR AFTN TEMPS MAY HV ALLOWED ACTVTY TO DVLP ERYLR THERE...BUT BLV TSTMS WL DVLP FARTHER NORTH LT THIS AFTN OR EVE IN DPR MOISTR OVR NERN OK. WK SFC TROF OVR SERN KS HAS NOT PUSHED SWD TDA AND MAY NOT BE A FOCUS AS PLANNED. XPCT ACTVTY TO DMNSH AFDK. WL KEEP LO POPS IN FCST FOR WED. MDLS INDCT VORT MAX MAY BE PUSHED A BIT FARTHER SOUTH AS UPR RDG BGNS TO BLD BHND STG S/W MOVG TRAKG ACRS GTLKS RGN WED. HWVR...AM NOT CONFIDENT ENUF THAT RDG WL HV BUILT ENUF TO PREVENT DIURNAL TSTMS WED. BEST CHCS SHUD BE ACRS SERN PTNS OF FA. WL TRY FOR A DRY FCST THURS. DPNG S/W OVR NERN U.S. MAY ALLOW UPR RDG TO STGTHN OVR CNTL PLAINS. MAX TEMPS MAY BGN TO INCH UP TWDS THE WEEKEND WITH A FEW SPOTS PSBLY REACHG THE CENTURY MARK. /11 PRELIMS TUL 073/095 074/096 2211 FSM 074/097 074/098 3321 MLC 073/097 074/098 3321 BVO 071/095 072/096 2211 FYV 071/093 072/094 2211 IDB 072/097 073/098 3321 BYV 070/092 071/093 2211 .TUL... OK$...NONE. AR...NONE.
In the hours before
Local storm report, Jul 22, 2:05 PM CDT, 5 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
205 PM CDT TUE JUL 22 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0825 PM 6 NNW SKIATOOK OK WIND DAMAGE
07/21/97 OSAGE TREES BLOWN DOWN
0900 PM 5 WNW EUFAULA OK 58 MPH TSTM GUST
07/21/97 MCINTOSH AT EUFAULA MESONET
SITE...TIME ESTIMATED
0905 PM 6 WNW HOYT OK .75 INCH HAIL
07/21/97 HASKELL AT EUFAULA DAM
0910 PM PORUM OK WIND DAMAGE
07/21/97 MUSKOGEE SEVERAL 4 INCH DIAMETER
LIMBS DOWNED
0930 PM CLAREMORE OK LIGHTNING
07/21/97 ROGERS *** 1 DEAD ***
42 YEAR OLD MAN STRUCK AND
KILLED BY LIGHTNING WHEN
HE WENT OUTDOORS TO ROLL
UP HIS CAR WINDOWSLocal storm report, Jul 22, 2:06 PM CDT, 5 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
205 PM CDT TUE JUL 22 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0825 PM 6 NNW SKIATOOK OK WIND DAMAGE
07/21/97 OSAGE TREES BLOWN DOWN
0900 PM 5 WNW EUFAULA OK 58 MPH TSTM GUST
07/21/97 MCINTOSH AT EUFAULA MESONET
SITE...TIME ESTIMATED
0905 PM 6 WNW HOYT OK .75 INCH HAIL
07/21/97 HASKELL AT EUFAULA DAM
0910 PM PORUM OK WIND DAMAGE
07/21/97 MUSKOGEE SEVERAL 4 INCH DIAMETER
LIMBS DOWNED
0930 PM CLAREMORE OK LIGHTNING
07/21/97 ROGERS *** 1 DEAD ***
42 YEAR OLDd MAN STRUCK AND
KILLED BY LIGHTNING WHEN
HE WENT OUTDOORS TO ROLL
UP HIS CAR WINDOWSLocal storm report, Jul 22, 6:58 PM CDT, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
701 PM CDT TUE JUL 22 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0635 PM J LAVACA AR WIND DAMAGE
07/22/97 SEBASTIAN TREES AND POWER LINES DOWN
AND OUT BUILDINGS DAMAGEDLocal storm report, Jul 22, 7:01 PM CDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
701 PM CDT TUE JUL 22 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0635 PM LAVACA AR WIND DAMAGE
07/22/97 SEBASTIAN TREES AND POWER LINES DOWN
AND OUT BUILDINGS DAMAGEDThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 5:17 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 28 min |
| Jul 23, 12:53 PM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 37 min |
| Jul 23, 2:36 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 54 min |
| Jul 23, 2:53 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 52 min |
| Jul 23, 4:43 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore | 47 min |
| Jul 23, 5:45 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 30 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1997Severe Thunderstorm Warnings in Oklahoma, 1997Every severe thunderstorm warning in 1997
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.