Alert archive / Arkansas / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 341, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 17, 1994, 5:05 PM CDT for Sebastian County, Arkansas; LeFlore County, Oklahoma. It was in force for 70 min.
The area
The counties it named.
The facts
- Issued
- Jul 17, 1994, 5:05 PM CDT (22:05 UTC)
- Expired
- Jul 17, 1994, 6:15 PM CDT
- In force
- 70 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Sebastian County, AR, LeFlore County, OK
The nearest sounding before it
Springfield, MO (KUMN), launched 12:00Z, 10.1 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
- 2818 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 780 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 135 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 172209 COR SVRTUL ARC131-OKC079-172300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTION NATIONAL WEATHER SERVICE TULSA OK 505 PM CDT SUN JUL 17 1994 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONSS... IN WEST CENTRAL ARKANSAS ...SOUTHERN SEBASTIAN COUNTY IN SOUTHEAST OKLAHOMA ...LE FLORE COUNTY AT 504 PM...RADAR INDICATED A LINE OF DEVELOPING SEVERE THUNDERSTORMS ACROSS THE CENTRAL PART OF LEFLORE COUNTY. THE STRONGEST STORMS AT 504 PM WERE NEAR THE OKLAHOMA ARKANSAS BORDER ABOUT 10 MILES NORTHEAST OF POTEAU. OTHER SEVERE STORMS WERE DEVELOPING TO THE WEST OF THIS STORM NEAR FANSHAWE. THE STORMS WERE MOVING SOUTHEAST AT 15 MPH. HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 65 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 EXERCISE CARE WHEN APPROACHING LOW WATER CROSSINGS. 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 17, 3:37 PM CDT, 1 hour 28 minutes earlier.
Area forecast discussion, Jul 17, 3:37 PM CDT, 1 hour 28 minutes before
FPUS3 KTUL 172037
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
33O PM CDT SUN JUL 17 1994
OUTFLOW BNDRY EVIDENT OVR SERN OK THIS MRNG HAS GRAD WASHED OUT
DURING THE DAY AS LLVL WNDS HV RETURNED TO SWLY ACRS THE AREA.
AMS IN THE XTRM SE STILL VERY UNSTBL...AND ALTHO NO SIG CU FIELD
VSBL ON SATL...STILL XPCT TO SEE ISOLD/WDLY SCTD TRW DVLP IN THE
SE THIS EVNG. OVR THE NRN PART OF FA FOR TNGT...STILL SOME POTNTL
FOR TSTM DVLPMNT WELL OFF TO THE NW ONCE AGN WITH STMS MOVG SEWRD
AND PSBLY AFFECTING AREA LATE TNGT...ALTHO FLOW ALFT A LTL WKR.
WL MENTION POPS ONLY IN THE 20-30 PCT RANGE. WL THEN SHOOT FOR
A DRY FCST MON THRU TUE AS UPR RDG BCMS A LTL BTR ESTABLISHED OVR
THE AREA. TEMPWISE...SEE LTL CHG IN MINS NXT FEW NGTS WITH MAX
TEMPS WRMG SLGTLY.
PRELIM NUMBERS: TUL 74/94/74/95 2111 BVO 71/95/71/96 2111
MLC 73/95/73 96 2111 IDB 71/94/71/95 2111
...04...
.TUL...NONE.In the hours before
Local storm report, Jul 17, 2:03 PM CDT, 3 hours 2 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
203 PM CDT SUN JUL 17 1994
...DELAYED REPORT FROM SATURDAY JULY 16 1994...
TIME (CDT) COUNTY/STATE EVENT
555 PM LE FLORE/OK DIME XSIZE HAIL AND TREE LIMBS DOWN IN
SUMMERFIELDLocal storm report, Jul 17, 2:05 PM CDT, 3 hours before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
205 PM CDT SUN JUL 17 1994
...DELAYED REPORTS FROM THIS MORNING...
TIME (CDT) COUNTY/STATE EVENT
615 AM WASHINGTON/OK DIME SIZE HAIL JUST NORTH OF DEWEY
615 AM WASHINGTON/OK WINDOW BLOWN OUT AT AN ARBY`S
RESTAURANT ON THE NORTHEAST SIDE OF
BARTLESVILLELocal storm report, Jul 17, 2:05 PM CDT, 3 hours before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
205 PM CDT SUN JUL 17 1994
...DELAYED REPORTS FROM THIS MORNING...
TIME (CDT) COUNTY/STATE EVENT
615 AM WASHINGTON/OK DIME SIZE HAIL\ JUST NORTH OF DEWEY
615 AM WASHINGTON/OK WINDOW BLOWN OUT AT AN ARBY`S
RESTAURANT ON THE NORTHEAST SIDE OF
BARTLESVILLEThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 5:48 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 27 min |
| Jul 16, 7:11 PM CDT | Flash Flood Warning | TSA | LeFlore | 2 hr |
| Jul 17, 5:42 AM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 63 min |
| Jul 17, 6:22 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 68 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1994Severe Thunderstorm Warnings in Oklahoma, 1994Every severe thunderstorm warning in 1994
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.