Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 274, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Jul 17, 2018, 1:50 PM CDT for Drew 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
- Jul 17, 2018, 1:50 PM CDT (18:50 UTC)
- Expired
- Jul 17, 2018, 2:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Drew County, AR
The radar
The Little Rock radar (KLZK), 147 km from the middle of the area, began a volume at 18:49 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
Shreveport, LA (KBAD), launched 12:00Z, 6.8 hours before the alert went out and 226 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
- 154 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 1608 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 58 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 Jul 17, 12:40 PM CDT, 1 hour 10 minutes earlier.
Area forecast discussion, Jul 17, 12:40 PM CDT, 1 hour 10 minutes before
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</html>Hazardous weather outlook, Jul 17, 1:19 PM CDT, 31 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Little Rock AR 119 PM CDT Tue Jul 17 2018 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-181830- 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- 119 PM CDT Tue Jul 17 2018 This Hazardous Weather Outlook is for a Large Part of Arkansas. .DAY ONE...Today and Tonight Isolated to scattered thunderstorms will be possible through the overnight hours. An isolated strong to severe storm will be be possible mainly in the afternoon to early evening with gusty winds and frequent lightning the greatest concerns. The overall threat for severe weather remains low. Heat index values will exceed 100 degrees through early evening for parts of central and southern Arkansas. Extra precautions should be taken to minimize the affects of the heat. .DAYS TWO THROUGH SEVEN...Wednesday Through Monday Thunderstorms will become a bit more scattered and common by the middle of this week, with the best chances for seeing thunderstorms during the afternoon hours Wednesday. While organized severe weather is not expected, a few strong storms may be possible. Chances for thunderstorms decrease by the weekend. Also, heat index values will remain elevated through the week. Most locations will see heat index values in the upper 90s to just over 100 degrees, while some areas may see heat index values exceed 105 degrees in the afternoons. .Spotter Information Statement... Spotter activation is not anticipated today through tonight. && Visit NWS Little Rock on the web. Go to http://weather.gov/lzk.
In the hours before
Special weather statement, Jul 17, 1:42 PM CDT, 8 minutes before
Special Weather Statement
National Weather Service Little Rock AR
142 PM CDT TUE JUL 17 2018
ARZ064-069-171930-
Drew AR-Lincoln AR-
142 PM CDT TUE JUL 17 2018
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN DREW AND SOUTH CENTRAL
LINCOLN COUNTIES UNTIL 230 PM CDT...
At 142 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles northeast of Monticello, moving southeast at 5 mph.
Dime size hail and wind gusts up to 50 mph will be possible with this
storm.
Locations impacted include...
Monticello... Baxter...
Collins... Florence...
Coleman... Enon...
Selma...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3349 9177 3364 9182 3383 9172 3370 9145
3348 9149 3341 9166
TIME...MOT...LOC 1842Z 304DEG 6KT 3369 9169
65The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 3:57 AM CDT | Heat Advisory | LZK | Arkansas, Bradley, Calhoun, Cleveland, Dallas, Desha and 8 more | 15 hr |
| Jul 17, 1:42 PM CDT | Special Weather Statement | LZK | Drew | 48 min |
| Jul 17, 2:06 PM CDT | Special Weather Statement | LZK | Saline | 39 min |
| Jul 17, 4:13 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan | 47 min |
| Jul 17, 4:31 PM CDT | Special Weather Statement | LZK | Grant | 44 min |
| Jul 17, 4:41 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott, Yell | 34 min |
| Jul 17, 5:07 PM CDT | Special Weather Statement | LZK | Independence | 23 min |
| Jul 17, 5:12 PM CDT | Special Weather Statement | LZK | Sharp | 33 min |
| Jul 17, 5:14 PM CDT | Special Weather Statement | LZK | Yell | 31 min |
| Jul 17, 5:37 PM CDT | Severe Thunderstorm Warning | LZK | Perry, Pulaski, Saline | 23 min |
| Jul 17, 5:41 PM CDT | Special Weather Statement | LZK | Dallas | 34 min |
| Jul 17, 6:10 PM CDT | Special Weather Statement | LZK | Independence | 50 min |
| Jul 17, 6:19 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Faulkner, Perry, Pulaski, Saline | 26 min |
| Jul 17, 6:34 PM CDT | Special Weather Statement | LZK | Clark | 26 min |
| Jul 17, 6:35 PM CDT | Special Weather Statement | LZK | Conway, Faulkner | 25 min |
| Jul 17, 6:36 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Perry, Pulaski | 24 min |
| Jul 17, 6:58 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Pulaski | 19 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2018Every severe thunderstorm warning in 2018
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.