Alert archive / Arkansas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 231, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Jun 15, 2017, 10:02 AM CDT for Boone County, Arkansas. It was in force for 43 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 15, 2017, 10:02 AM CDT (15:02 UTC)
- Expired
- Jun 15, 2017, 10:45 AM CDT
- In force
- 43 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Boone County, AR
The radar
The Springfield radar (KSGF), 107 km from the middle of the area, began a volume at 15:04 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, 3.0 hours before the alert went out and 91 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
- 38 J/kg
- Mixed-layer CIN
- -390 J/kg
- Mixed-layer LCL
- 1212 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 48 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 15, 6:23 AM CDT, 3 hours 39 minutes earlier.
Area forecast discussion, Jun 15, 6:23 AM CDT, 3 hours 39 minutes before
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</html>Hazardous weather outlook, Jun 15, 5:00 AM CDT, 5 hours 2 minutes before
Hazardous Weather Outlook. National Weather Service Little Rock AR 500 AM CDT Thu Jun 15 2017 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-161000- Boone-Marion-Baxter-Fulton-Sharp-Newton-Searcy-Stone-Izard- Independence-Johnson-Pope-Van Buren-Cleburne-Jackson-Logan-Conway- Faulkner-White-Woodruff-Scott-Yell-Perry-Polk-Montgomery-Garland- Saline-Pulaski-Lonoke-Prairie-Monroe-Pike-Clark-Hot Spring-Grant- Jefferson-Arkansas-Dallas-Cleveland-Lincoln-Desha-Ouachita-Calhoun- Bradley-Drew- 500 AM CDT Thu Jun 15 2017 This Hazardous Weather Outlook is for a Large Part of Arkansas. .DAY ONE...Today and Tonight Scattered showers and thunderstorms will be possible across the north this morning and statewide during the afternoon through evening hours. There will be additional chances of showers and thunderstorms late tonight towards day break. Some of the storms could be strong to possibly severe over parts of the east this afternoon. The primary threats will be damaging winds and large hail. If stronger thunderstorms do manage to get going, they are expected to decrease in intensity after dark. .DAYS TWO THROUGH SEVEN...Friday through Wednesday On Friday and into the weekend, the overall threat for organized hazardous weather is expected to remain low. However, chances for isolated to scattered thunderstorms will be greatest Sunday and Monday, and mainly in the afternoon to evening. An isolated strong to severe storm may be possible, but again the threat for seeing organized and widespread severe weather will remain low. .Spotter Information Statement... Spotter activation will not be needed. && Visit NWS Little Rock on the web. Go to http://weather.gov/lzk. 56/51
In the hours before
Special weather statement, Jun 15, 7:00 AM CDT, 3 hours 2 minutes before
Special Weather Statement National Weather Service Little Rock AR 700 AM CDT THU JUN 15 2017 ARZ003-151245- Boone AR- 700 AM CDT THU JUN 15 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN NEWTON AND BOONE COUNTIES UNTIL 745 AM CDT... At 700 AM CDT, Doppler radar was tracking a strong thunderstorm over Harrison, moving south at 25 mph. Dime size hail and wind gusts of 50 to 55 mph will be possible with this storm. Locations impacted include... Harrison... Diamond City... Bergman... Lead Hill... Valley Springs... Omaha... Dugger... Olvey... Myrtle... Capps... Self... Willis... Crawford... Winington... Bellefonte... Everton... Zinc... South Lead Hill... Batavia... Bear Creek Springs... PRECAUTIONARY/PREPAREDNESS ACTIONS... This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3646 9320 3647 9290 3612 9290 3612 9328 TIME...MOT...LOC 1200Z 012DEG 24KT 3626 9312 65
Special weather statement, Jun 15, 8:42 AM CDT, 1 hour 20 minutes before
Special Weather Statement National Weather Service Little Rock AR 842 AM CDT THU JUN 15 2017 ARZ033-034-046-151445- White AR-Prairie AR-Woodruff AR- 842 AM CDT THU JUN 15 2017 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN WOODRUFF...NORTHERN PRAIRIE AND SOUTHEASTERN WHITE COUNTIES UNTIL 945 AM CDT... At 842 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Hurricane Lake WMA to McRae. Movement was southeast at 25 mph. Dime size hail and winds in excess of 40 mph will be possible with these storms. Locations impacted include... Des Arc... Hunter... Pryor... McRae... Cotton Plant... Griffithville... Becton... Dixie... Vinity Corner... Sand Hill... Howell... Walker... McClelland... Gregory... Hayley... Hickory Plains... Jasmine... Little Dixie... Georgetown... LAT...LON 3504 9111 3490 9167 3511 9188 3523 9137 TIME...MOT...LOC 1342Z 302DEG 14KT 3519 9141 3510 9182 46
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 7:00 AM CDT | Special Weather Statement | LZK | Boone | 45 min |
| Jun 15, 8:02 AM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion | 24 min |
| Jun 15, 8:42 AM CDT | Special Weather Statement | LZK | Prairie | 63 min |
| Jun 15, 10:54 AM CDT | Special Weather Statement | LZK | Marion | 51 min |
| Jun 15, 6:34 PM CDT | Special Weather Statement | LZK | Drew | 41 min |
| Jun 15, 6:41 PM CDT | Severe Thunderstorm Warning | LZK | Desha, Drew | 34 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2017Every severe thunderstorm warning in 2017
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.