Alert archive / Arkansas / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 236, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Jun 18, 2015, 11:50 AM CDT for Polk County, Scott County, Arkansas. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 18, 2015, 11:50 AM CDT (16:50 UTC)
- Expired
- Jun 18, 2015, 12:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Polk County, AR, Scott County, AR
The radar
The Western Arkansas radar (KSRX), 71 km from the middle of the area, began a volume at 16:52 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 4.8 hours before the alert went out and 250 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
- 344 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 8:23 AM CDT, 3 hours 27 minutes earlier.
Area forecast discussion, Jun 18, 8:23 AM CDT, 3 hours 27 minutes before
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</html>Hazardous weather outlook, Jun 18, 8:03 AM CDT, 3 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 803 AM CDT THU JUN 18 2015 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-191000- ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND- CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING- INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE- MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE- PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE- WOODRUFF-YELL- 803 AM CDT THU JUN 18 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT AREAS OF HEAVY RAIN WILL SPREAD INTO ARKANSAS TODAY AND TONIGHT. THE HEAVIEST OF THIS PRECIPITATION IS EXPECTED TO BE OVER THE OZARK MOUNTAINS...WHERE AMOUNTS COULD EXCEED FOUR INCHES IN PLACES. ALL OF THIS LIQUID IS ASSOCIATED WITH THE REMNANTS OF TROPICAL STORM BILL. THE SYSTEM WILL TRACK FROM SOUTHEAST OKLAHOMA INTO NORTHWEST ARKANSAS THROUGH DAWN FRIDAY. IF THE EXPECTED RAINFALL MATERIALIZES...A MAJOR FLASH FLOOD EVENT COULD UNFOLD. POSSIBLE LIFE THREATENING HIGH WATER PROBLEMS MAY AFFECT ROADS...HOMES AND BUSINESSES. RESIDENTS ARE ADVISED TO MONITOR THIS WEATHER SITUATION CLOSELY... AND BE READY TO REACT TO RAPIDLY CHANGING CONDITIONS. GIVEN THE CIRCULATION AROUND BILL...THERE IS A SMALL CHANCE OF A BRIEF WEAK TORNADO OR TWO ACROSS THE REGION TODAY...ESPECIALLY IF THERE ARE BREAKS IN THE CLOUD COVER AND SOME HEATING OCCURS. THIS WILL MAKE THE ATMOSPHERE MORE UNSTABLE AND DEVELOPING STORMS STRONGER. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THE REMNANTS OF BILL WILL CONTINUE MOVING FROM NORTHERN ARKANSAS INTO SOUTHERN MISSOURI FRIDAY AND FRIDAY NIGHT. SURROUNDING THE SYSTEM...AREAS OF HEAVY RAIN ARE EXPECTED FROM LITTLE ROCK NORTHWARD. PARTS OF THE NORTHEAST MAY RECEIVE AMOUNTS OVER TWO INCHES. FLASH FLOODING WILL REMAIN A BIG CONCERN. ONCE AGAIN...THERE WILL BE AN OUTSIDE CHANCE OF AN ISOLATED WEAK TORNADO OR TWO IN THE NORTHEAST...ESPECIALLY IF THERE IS ENOUGH HEATING. FOLLOWING ALL OF THE RAIN ACROSS THE NORTHERN AND WESTERN COUNTIES...RIVERS WILL BE ON THE RISE. ARKANSANS ALONG AREA TRIBUTARIES ARE ASKED TO MONITOR THE LATEST HYDROLOGIC FORECASTS. TAKE NECESSARY PRECAUTIONS BASED ON EXPECTED WATER LEVELS. AFTER BILL DEPARTS THIS WEEKEND...THE RAIN WILL MOSTLY SHUT OFF. DRY CONDITIONS ARE EXPECTED INTO EARLY NEXT WEEK...AND TEMPERATURES WILL BE ABOVE NORMAL. .SPOTTER INFORMATION STATEMENT... WHILE SEVERE WEATHER WILL BE SPOTTY THE NEXT COUPLE OF DAYS... SPOTTER ACTIVATION MAY BE NEEDED GIVEN THE SMALL POSSIBILITY OF BRIEF TORNADOES SURROUNDING THE REMNANTS OF TROPICAL STORM BILL. && VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND CLICK ON CENTRAL ARKANSAS. 55/46
In the hours before
Special weather statement, Jun 18, 11:37 AM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1137 AM CDT THU JUN 18 2015
ARZ040-181655-
POLK AR-
1137 AM CDT THU JUN 18 2015
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN POLK COUNTY UNTIL NOON
CDT...
AT 1137 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR COSSATOT RIVER STATE PARK...OR 15 MILES
SOUTH OF MENA...MOVING NORTHEAST AT 40 MPH.
WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN.
* LOCATIONS IMPACTED INCLUDE...
SHADY... OPAL...
COSSATOT RIVER STATE PARK... NUNLEY...
INK... CHERRY HILL... BOARD CAMP...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY...TURN AROUND DONT DROWN!
LAT...LON 3469 9410 3458 9394 3434 9422 3435 9425
3439 9430
TIME...MOT...LOC 1637Z 217DEG 36KT 3439 9423
44The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:32 PM CDT | Special Weather Statement | LZK | Boone | 43 min |
| Jun 17, 8:34 PM CDT | Special Weather Statement | LZK | Cleveland, Grant | 46 min |
| Jun 18, 9:15 AM CDT | River Flood Warning | LZK | Pope, Yell | 5 days |
| Jun 18, 9:15 AM CDT | River Flood Warning | LZK | Faulkner, Perry | 6 days |
| Jun 18, 10:40 AM CDT | River Flood Warning | LZK | Independence, Jackson, Lawrence | 5 days |
| Jun 18, 11:03 AM CDT | River Flood Warning | LZK | Searcy | 68 hr |
| Jun 18, 11:07 AM CDT | River Flood Warning | LZK | White, Woodruff | 9 days |
| Jun 18, 11:37 AM CDT | Special Weather Statement | LZK | Polk | 18 min |
| Jun 18, 4:40 PM CDT | Special Weather Statement | LZK | Hot Spring | 45 min |
| Jun 18, 4:49 PM CDT | Tornado Warning | LZK | Clark, Hot Spring | 19 min |
| Jun 18, 5:07 PM CDT | Special Weather Statement | LZK | Woodruff | 43 min |
| Jun 18, 5:15 PM CDT | Special Weather Statement | LZK | Hot Spring | 45 min |
| Jun 18, 5:18 PM CDT | Special Weather Statement | LZK | Clark | 47 min |
| Jun 18, 5:20 PM CDT | Special Weather Statement | LZK | Hot Spring | 45 min |
| Jun 18, 6:03 PM CDT | Special Weather Statement | LZK | Garland | 47 min |
| Jun 18, 6:05 PM CDT | Special Weather Statement | LZK | Hot Spring | 45 min |
| Jun 18, 6:12 PM CDT | Special Weather Statement | LZK | Clark, Hot Spring | 43 min |
| Jun 18, 6:33 PM CDT | Special Weather Statement | LZK | Saline | 32 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2015Every severe thunderstorm warning in 2015
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; radar from the NEXRAD Level II archive.