Alert archive / Arkansas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 342, NWS Tulsa, OK

July 17, 1994Madison County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 17, 1994, 5:48 PM CDT for Madison County, Arkansas. It was in force for 27 min.

The area

The counties it named.

The facts

Issued: Jul 17, 1994, 5:48 PM CDT (22:48 UTC)
Expired: Jul 17, 1994, 6:15 PM CDT
In force: 27 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Madison County, AR

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 10.8 hours before the alert went out and 99 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 172249
SVRTUL
ARC087-172315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
548 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 LOCATIONS...
 
IN NORTHWEST ARKANSAS
 
   ...SOUTHERN MADISON COUNTY
 
AT 548 PM...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHEAST OF
PETTIGREW MOVING SOUTHEAST AT 15 MPH.
 
 
HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA.

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, 2 hours 11 minutes earlier.

Area forecast discussion, Jul 17, 3:37 PM CDT, 2 hours 11 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 45 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
                                SUMMERFIELD

Local storm report, Jul 17, 2:05 PM CDT, 3 hours 43 minutes 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
                                BARTLESVILLE

Local storm report, Jul 17, 2:05 PM CDT, 3 hours 43 minutes 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
                                BARTLESVILLE

Local storm report, Jul 17, 5:43 PM CDT, 5 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
543 PM CDT SUN JUL 17 1994

TIME (CDT)     COUNTY/STATE     EVENT

535 PM         SEBASTIAN/AR     GOLFBALL SIZE HAIL IN MIDLAND.

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Local storm report, Jul 17, 5:44 PM CDT, 4 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
543 PM CDT SUN JUL 17 1994

TIME (CDT)     COUNTY/STATE     EVENT

535 PM         SEBASTIAN/AR     GOLFBALL SIZE HAIL IN MIDLAND.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 5:05 PM CDT	Severe Thunderstorm Warning	TSA	Sebastian	70 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1994 Every 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.