Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 369, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 21, 1998, 5:18 AM CDT for Madison County, Arkansas. It was in force for 42 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
- Jun 21, 1998, 5:18 AM CDT (10:18 UTC)
- Expired
- Jun 21, 1998, 6:00 AM CDT
- In force
- 42 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Madison County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 5:20 AM CDT | Thunderstorm Wind | Huntsville, AR | Several trees were blown down. |
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, 10.3 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.
- Mixed-layer CAPE
- 2527 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 299 m²/s²
- 0-3 km storm-relative helicity
- 547 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 12.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 211022 SVRTUL ARC087-211100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 518 AM CDT SUN JUN 21 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MADISON COUNTY IN NORTHWESTERN ARKANSAS * UNTIL 600 AM CDT * AT 515 AM...NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE THUNDERSTORM NEAR HUNTSVILLE...MOVING EAST AT 25 MPH. * SOME LOCATIONS AFFECTEDv INCLUDE... HUNTSVILLE KINGSTON HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN THE WARNED AREA. BE 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 Jun 21, 4:30 AM CDT, 48 minutes earlier.
Area forecast discussion, Jun 21, 4:30 AM CDT, 48 minutes before
FPUS3 KTUL 210930 AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 430 AM CDT SUN JUN 21 1998 PROBLEM(S) OF THE DAY: POPS TEMPERATURES TSRA THAT STARTED IN NCNTRL OK INTESNIFIED AND ROLLED ESE ACRS NE OK THIS MRNG AND WHILE THEY APR TO HV WEAKENED SOME ARE STILL CONTG TWDS NW AR. OUTFLOW BNDRY FROM THIS ACTVTY HAS MADE IT INTO ECNTRL OK ATTM W/WNDS COMING BACK ARND TO THE SE BEHIND TSRA AREA. MEANWHILE FNT REMAINS IN SE KS. MDLS ARE NOT AWARE OF THIS MRNGS CNVCTN IN THIS PART OF THE CNTRY SO THEIR USEFULNESS IS LIMITED. DO BELIEVE THAT MAIN FNT WL REMAIN JUST N OF FA THRUOUT. HOWEVER WHERE AND HOW STRG THE OUTFLOW BNDRY WL BE THIS AFTN IS A BIG QUESTION. WL GO W/CHC POPS ACRS NRN SCTNS FOR TDY AND TNGT. THIS SHLD CVR REMAINING TSRA FOR THIS MRNG AND PSBLTY OF REDVLPMENT THIS AFTN. HOPEFULLY LATER SHIFTS WL BE ABLE TO GET A BETTER HANDLE ON WHERE BNDRY WL BE OR IF ATMOS HAS STABILIZED TOO MUCH FOR AFTN TSRA. WAS GOING TO LV SE OK/WCNTRL AR DRY BUT HV NOTICED A FEW ECHOES DVLPG AHEAD OF APRCHG OUTFLOW SO WENT AHEAD AND PUT SLGT CHC POPS IN FOR THIS MRNG. WOULD XPCT TSRA TO DVLP ALNG FNT LATE THIS AFTN/EVE TO N OF FA WHICH MAY AGAIN AFFECT NRN SCTNS TNGT ALTHO WOULD XPCT MOST ACTVTY TO REMAIN ALNG AND N OF FNT. BUT THEN AGAIN THOUGHT THAT FOR THIS MRNG. WL GO ALONG W/AVN IDEA OF LIFTING FNT SLGTLY N W/TIME AS UPR HGHTS CONT TO SLOWLY RISE. THUS WL LIMIT POPS TO JUST SLGT CHC ALNG KS BRDR FOR MON/MON NGT. IN WAKE OF THIS MRNGS TSRA WL DROP HEAT ADVSRY FOR NE OK ALTHO HOW MUCH CCOLER MAXES WL BE TDY IS ANOTHER GOOD QUESTION. TUL 92 77 97 80 / 20 30 10 10 FSM 96 75 97 77 / 20 0 0 0 MLC 95 79 97 80 / 20 0 0 10 BVO 92 75 98 79 / 30 40 20 20 FYV 89 75 94 76 / 30 20 10 10 IDB 99 75 99 75 / 0 0 0 0 BYV 90 72 95 73 / 30 30 10 10 MIO 91 75 96 77 / 30 40 20 20 MKO 94 76 97 78 / 20 20 10 10 F10 94 78 97 79 / 20 20 10 10 HHW 98 76 98 76 / 0 0 0 0 .TUL... OK...HEAT ADVISORY FOR TODAY AND TONIGHT FOR ZONES OKZ049...OKZ053... OKZ072>077. AR...HEAT ADVISORY FOR TODAY AND TONIGHT FOR ZONES ARZ019>020... ARZ029. --------------------- EXPERIMENTAL OUTPUT: GENERAL WEATHER EXPECTED NEXT 24 HOURS: CONVECTIVE PRECIP HAZARDOUS WEATHER EXPECTED NEXT 24 HOURS: CHANCE THUNDERSTORMS NGM CONFIDENCE: 3 ON A SCALE OF 0 TO 10 ETA CONFIDENCE: 5 ON A SCALE OF 0 TO 10 AVN CONFIDENCE: 6 ON A SCALE OF 0 TO 10 FCST CONFIDENCE: 5 ON A SCALE OF 0 TO 10
In the hours before
Local storm report, Jun 21, 3:01 AM CDT, 2 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
301 AM CDT SUN JUN 21 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0145 AM WYNONA OK 58 MPH TSTM GUST
06/21/98 OSAGE MEASURED AT OKLAHOMA
MESONET SITE 2 MILES SOUTH
OF WYNONA
0153 AM HOMINY OK 80 MPH TSTM GUST
06/21/98 OSAGE TREES ALSO BLOWN DOWN
0155 AM JENNINGS OK 75 MPH TSTM GUST
06/21/98 PAWNEE TREE LIMBS ALSO BLOWN DOWN
0156 AM JENNINGS OK 96 MPH TSTM GUST
06/21/98 PAWNEE
0200 AM HOMINY OK 1.75 INCH HAIL
06/21/98 OSAGE
0232 AM SAND SPGS OK 70 MPH TSTM GUST
06/21/98 TULSA POWER LINES ALSO BLOWN
DOWN.
0232 AM TULSA OK WIND DAMAGE
06/21/98 TULSA TRANSFORMERS BLOWING UP IN
NORTH TULSA
0240 AM TULSA OK 65 MPH TSTM GUST
06/21/98 TULSA IN EAST TULSA
0240 AM TULSA OK 95 MPH TSTM GUST
06/21/98 TULSA NEAR US HWY 75 AND APACHE
0242 AM TULSA OK 90 MPH TSTM GUST
06/21/98 TULSA CHANNEL 6 REPORTED 85 TO
90 MPH WINDS DOWNTOWN
0245 AM BROKEN ARROW OK 65 MPH TSTM GUST
ALONG TULSA AND WAGONER
COUNTY LINES NEAR 91ST
STREETLocal storm report, Jun 21, 3:01 AM CDT, 2 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
301 AM CDT SUN JUN 21 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0145 AM WYNONA OK 58 MPH TSTM GUST
06/21/98 OSAGE MEASURED AT OKLAHOMA
MESONET SITE 2 MILES SOUTH
OF WYNONA
0153 AM HOMINY OK 80 MPH TSTM GUST
06/21/98 OSAGE TREES ALSO BLOWN DOWN
0155 AM JENNINGS OK 75 MPH TSTM GUST
06/21/98 PAWNEE TREE LIMBS ALSO BLOWN DOWN
0156 AM JENNINGS OK 96 MPH TSTM GUST
06/21/98 PAWNEE
0200 AM HOMINY OK 1.75 INCH HAIL
06/21/98 OSAGE
0232 AM SAND SPGS OK 70 MPH TSTM GUST
06/21/98 TULSA POWER LINES ALSO BLOWN
DOWN.
0232 AM TULSA OK WIND DAMAGE
06/21/98 TULSA TRANSFORMERS BLOWING UP IN
NORTH TULSA
0240 AM TULSA OK 65 MPH TSTM GUST
06/21/98 TULSA IN EAST TULSA
0240 AM TULSA OK 95 MPH TSTM GUST
06/21/98 TULSA NEAR US HWY 75 AND APACHE
0242 AM TULSA OK 90 MPH TSTM GUST
06/21/98 TULSA CHANNEL 6 REPORTED 85 TO
90 MPH WINDS DOWNTOWN
0245 AM BROKEN ARROW OK 65 MPH TSTM GUST
ALONG TULSA AND WAGONER
COUNTY LINES NEAR 91ST
STREETLocal storm report, Jun 21, 3:30 AM CDT, 1 hour 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
330 AM CDT SUN JUN 21 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0253 AM TULSA INTL ARPT OK 61 MPH TSTM GUST
06/21/98 TULSA MEASURED BY TULSA ASOS
(KTUL)Local storm report, Jun 21, 4:31 AM CDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
431 AM CDT SUN JUN 21 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0305 AM BROKEN ARROW OK 80 MPH TSTM GUST
06/21/98 TULSA NEAR 91ST AND 193RD EAST
AVENUE
0340 AM FT GIBSON OK 96 MPH TSTM GUST
06/21/98 MUSKOGEE JUST NORTH OF FT GIBSON ON
THE MUSKOGEE TURNPIKE
0420 AM TAHLEQUAH OK 68 MPH TSTM GUST
06/21/98 CHEROKEE JUST NORTHEAST OF
TAHLEQUAHSpecial weather statement, Jun 21, 4:55 AM CDT, 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
455 AM CDT SUN JUN 21 1998
OKZ054>056-059>061-064>067-070-071-211005-
THE HEAT ADVISORY IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES
IN
EASTERN OKLAHOMA...
CREEK MCINTOSH MUSKOGEE
NOWATA OKFUSKEE OKMULGEE
OSAGE PAWNEE ROGERS
TULSA WAGONER WASHINGTON OK.
THE THUNDERSTORMS THAT MOVED ACROSS NORTHEAST OKLAHOMA OVERNIGHT WILL
PROVIDE A SLIGHT BREAK FROM THE HEAT AND HUMIDITY. READINGS WILL NOT
BE QUITE AS HIGH AS THE PAST FEW DAYS ALTHOUGH READINGS ARE STILL
EXPECTED TO REACH THE LOWER 90S THIS AFTERNOON.
OKZ049-053-072>077-ARZ019-020-029-220930-
A HEAT ADVISORY REMAINS IN EFFECT FOR TODAY AND TONIGHT FOR THE
FOLLOWING COUNTIES IN
EASTERN OKLAHOMA...
CHOCTAW HASKELL LATIMER
LE FLORE MCCURTAIN PITTSBURG
PUSHMATAHA SEQUOYAH...
NORTHWESTERN ARKANSAS...
CRAWFORD FRANKLIN SEBASTIAN.
THE UNSEASONABLY HOT WEATHER WILL CONTINUE FOR AT LEAST ANOTHER DAY.
AN ISOLATED THUNDERSTORM OR TWO COULD PROVIDE TEMPORARY RELIEF THIS
MORNING. BUT BY THIS AFTERNOON THE HEAT INDEX WILL ONCE AGAIN RISE TO
BETWEEN 105 AND 110 UNDER MOSTLY SUNNY SKIES.
THIS WILL RESULT IN POTENTIALLY DANGEROUS CONDITIONS FOR PERSONS IN
THE ADVISORY AREA...ESPECIALLY CHILDREN...THE ELDERLY AND PEOPLE WITH
CHRONIC AILMENTS.
KEEP PLENTY OF LIQUIDS ON HAND AND TRY TO STAY IN AN AIR CONDITIONED
ENVIRONMENT. IF POSSIBLE...AVOID PROLONGED WORK IN THE SUN OR IN
POORLY VENTILATED AREAS.Special weather statement, Jun 21, 4:55 AM CDT, 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
455 AM CDT SUN JUN 21 1998
OKZ054>056-059>061-064>067-070-071-211005-
THE HEAT ADVISORY IS NO LONGER IN EFFECT FOR THE FOLLOWING COUNTIES
IN
EASTERN OKLAHOMA...
CREEK MCINTOSH MUSKOGEE
NOWATA OKFUSKEE OKMULGEE
OSAGE PAWNEE ROGERS
TULSA WAGONER WASHINGTON OK.
THE THUNDERSTORMS THAT MOVED ACROSS NORTHEAST OKLAHOMA OVERNIGHT WILL
PROVIDE A SLIGHT BREAK FROM THE HEAT AND HUMIDITY. READINGS WILL NOT
BE QUITE AS HIGH AS THE PAST FEW DAYS ALTHOUGH READINGS ARE STILL
EXPECTED TO REACH THE LOWER 90S THIS AFTERNOON.
OKZ049-053-072>077-ARZ019-020-029-220930-
A HEAT ADVISORY REMAINS IN EFFECT FOR TODAY AND TONIGHT FOR THE
FOLLOWING COUNTIES IN
EASTERN OKLAHOMA...
CHOCTAW HASKELL LATIMER
LE FLORE MCCURTAIN PITTSBURG
PUSHMATAHA SEQUOYAH...
NORTHWESTERN ARKANSAS...
CRAWFORD FRANKLIN SEBASTIAN.
THE UNSEASONABLY HOT WEATHER WILL CONTINUE FOR AT LEAST ANOTHER DAY.
AN ISOLATED THUNDERSTORM OR TWO COULD PROVIDE TEMPORARY RELIEF THIS
MORNING. BUT BY THIS AFTERNOON THE HEAT INDEX WILL ONCE AGAIN RISE TO
BETWEEN 105 AND 110 UNDER MOSTLY SUNNY SKIES.
THIS WILL RESULT IN POTENTIALLY DANGEROUS CONDITIONS FOR PERSONS IN
THE ADVISORY AREA...ESPECIALLY CHILDREN...THE ELDERLY AND PEOPLE WITH
CHRONIC AILMENTS.
KEEP PLENTY OF LIQUIDS ON HAND AND TRY TO STAY IN AN AIR CONDITIONED
ENVIRONMENT. IF POSSIBLE...AVOID PROLONGED WORK IN THE SUN OR IN
POORLY VENTILATED AREAS.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 4:01 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 59 min |
| Jun 21, 12:54 PM CDT | Flash Flood Warning | TSA | Carroll | 2 hr |
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.