Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 119, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 16, 1998, 3:59 AM CDT for Franklin County, Madison County, Arkansas. It was in force for 61 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
- Apr 16, 1998, 3:59 AM CDT (08:59 UTC)
- Expired
- Apr 16, 1998, 5:00 AM CDT
- In force
- 61 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Franklin County, AR, Madison County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 16, 4:20 AM CDT | Hail 0.75 | Pettigrew, AR |
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, 9.0 hours before the alert went out and 127 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
- 576 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 160901 SVRTUL ARC047-087-161000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 359 AM CDT THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN FRANKLIN COUNTY IN NORTHWESTERN ARKANSAS MADISON COUNTY IN NORTHWESTERN ARKANSAS * UNTIL 500 AM CDT * AT 356 AM...STORM SPOTTERS REPORTED AND DOPPLER RADAR DETECTED A CLUSTER OF SEVERE THUNDERSTORMS BETWEEN HUNTSVILLE AND WINSLOW... MOVING EAST AT 50 MPH. QUARTER SIZE HAIL WAS REPORTED IN HUNTSVILLE AT 355 AM. * SOME LOCATIONS AFFECTED INCLUDE... HUNTSVILLE BOSTON CASS HAIL TO THE SIZE OF QUARTERS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. &
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 Apr 15, 10:49 PM CDT, 5 hours 10 minutes earlier.
Area forecast discussion, Apr 15, 10:49 PM CDT, 5 hours 10 minutes before
FPUS3 KTUL 160351 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 1049 PM CDT WED APR 15 1998 HAVE ALREADY SENT UPDATED ZONES AND RDF TO MAKE 1ST PD ADJUSTMENTS TO ZONES BASED ON CURRENT TRENDS. STG TSRA HAVE SHIFTED INTO CNTRL AND SRN ARK AND EXTRM SE OKLA...SO HAVE TRIMMED TOR WATCH DOWN ACCORDINGLY. COLD FRONT WAS STILL MOVG VERY SLOWLY S THIS EVE...AND EXTDD FROM VCNTY KFSM TO KMLC AT 03Z. BEST CHCS FOR TSRA REST OF NITE WILL BE IN AREAS NEAR THE FRONT...BUT ANOTHER SHORTWAVE APCHG FROM THE WEST WILL KEEP THE THREAT OF PCPN IN THE FCST THRU THE NITE. HAVE ALREADY SEEN SOME ECHOES MOVING IN NORTH CNTRL OKLA THIS EVE. 1ST PD ADJUSTMENTS WERE MADE TO TEMPS...WINDS AND SKY CONDITION. SKIES HAD BECOME MO CLEAR ACRS PARTS OF THE AREA IN THE WAKE OF THE COLD FRONT AND TSRA...BUT LO CLDS IN KS AND MID CLOUDS FROM SHORTWV SHUD MOVE IN AND MAKE SKIES MO CLDY LATER TONITE. FCSTID = 9 .TUL... OK...TORNADO WATCH 217 UNTIL MIDNIGHT FOR ZONES OKZ049...OKZ076. AR...NONE.
In the hours before
Special weather statement, Apr 15, 10:25 PM CDT, 5 hours 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1025 PM CDT WED APR 15 1998
ARZ002-011-020-029-160422-
THE TORNADO WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES
IN
NORTHWESTERN ARKANSAS...
CARROLL FRANKLIN MADISON
SEBASTIAN
THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE EAST OF THESE
COUNTIES.
OKZ049-076-160500-
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR THE
FOLLOWING COUNTIES IN
EASTERN OKLAHOMA...
LE FLORE PUSHMATAHA
STRONG TO SEVERE THUNDERSTORMS REMAIN POSSIBLE ACROSS THE SOUTHERN
PARTS OF LE FLORE AND PUSHMATAHA COUNTIES UNTIL MIDNIGHT.Special weather statement, Apr 15, 10:25 PM CDT, 5 hours 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1025 PM CDT WED APR 15 1998
ARZ002-011-020-029-160422-
THE TORNADO WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES
IN
NORTHWESTERN ARKANSAS...
CARROLL FRANKLIN MADISON
SEBASTIAN
THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE EAST OF THESE
COUNTIES.
OKZ049-076-160500-
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR THE
FOLLOWING COUNTIES IN
EASTERN OKLAHOMA...
LE FLORE PUSHMATAHA
STRONG TO SEVERE THUNDERSTORMS REMAIN POSSIBLE ACROSS THE SOUTHERN
PARTS OF LE FLORE AND PUSHMATAHA COUNTIES UNTIL MIDNIGHT.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:04 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 56 min |
| Apr 15, 7:10 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 65 min |
| Apr 15, 8:40 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 50 min |
| Apr 16, 3:27 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Washington | 63 min |
| Apr 16, 4:30 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin | 45 min |
| Apr 16, 5:53 AM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 37 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.