Alert archive / Arkansas / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 185, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at May 19, 2017, 4:20 PM CDT for 4 counties in 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
- May 19, 2017, 4:20 PM CDT (21:20 UTC)
- Expired
- May 19, 2017, 5:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Monroe County, AR, Prairie County, AR, White County, AR, Woodruff County, AR
The radar
The Little Rock radar (KLZK), 77 km from the middle of the area, began a volume at 21:24 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
Little Rock, AR (KBYH), launched 12:00Z, 9.3 hours before the alert went out and 137 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
- 276 J/kg
- Mixed-layer CIN
- -189 J/kg
- Mixed-layer LCL
- 874 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
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 May 19, 2:36 PM CDT, 1 hour 44 minutes earlier.
Area forecast discussion, May 19, 2:36 PM CDT, 1 hour 44 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, May 19, 2:34 PM CDT, 1 hour 46 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Little Rock AR 234 PM CDT Fri May 19 2017 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-201000- 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- 234 PM CDT Fri May 19 2017 This Hazardous Weather Outlook is for a Large Part of Arkansas. .DAY ONE...This Afternoon and Tonight Scattered thunderstorms will remain possible this afternoon across much of the area...with the threat for seeing severe weather expected to remain isolated. However...a line of thunderstorms over northeast Oklahoma currently this afternoon will continue to move northeast through the rest of the afternoon and early evening hours. This activity could generate some damaging winds across the far northwest sections of the area through early this evening. Some large hail and a brief tornado may also be seen with this activity. Another line or complex of thunderstorms will develop over parts of southern Oklahoma early this evening...and move east/northeast into western Arkansas late this evening and just after midnight. This line of storms may form into bowing complex as it begins to move rapidly east/northeast across the state late this evening and into the early morning hours. Expect damaging winds as the primary hazard with this complex of storms...with some isolated large hail also possible. There could also be some brief tornadoes along the leading edge of this complex of thunderstorms. Locally heavy rainfall may also be seen...with isolated flash flooding possible. .DAYS TWO THROUGH SEVEN...Saturday Through Thursday Additional thunderstorms will be possible on Saturday...with mainly scattered activity through early Saturday afternoon. A cold front will move southeast through the state Saturday afternoon through Sunday morning. Additional organized thunderstorms will be possible along and ahead of this cold front as it moves southeast through the state. Drier and cooler conditions will be seen by Sunday afternoon...with dry conditions persisting through Monday. .Spotter Information Statement... Spotter activation may be needed through tonight. && Visit NWS Little Rock on the web. Go to http://weather.gov/lzk. 62/44
In the hours before
Local storm report, May 19, 11:22 AM CDT, 4 hours 58 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, May 19, 3:40 PM CDT, 40 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 12:34 AM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Scott | 56 min |
| May 19, 12:55 AM CDT | Severe Thunderstorm Warning | LZK | Boone, Johnson, Newton | 65 min |
| May 19, 1:07 AM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Pope, Yell | 53 min |
| May 19, 1:28 AM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion, Newton, Searcy | 62 min |
| May 19, 1:42 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Pope, Van Buren | 37 min |
| May 19, 2:10 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Izard, Marion, Searcy, Stone | 30 min |
| May 19, 3:40 PM CDT | Special Weather Statement | LZK | Monroe | 50 min |
| May 19, 4:38 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Independence, White | 52 min |
| May 19, 5:07 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Independence, Izard, Sharp, Stone | 38 min |
| May 19, 5:12 PM CDT | Special Weather Statement | LZK | White | 48 min |
| May 19, 5:42 PM CDT | Special Weather Statement | LZK | White | 48 min |
| May 19, 5:43 PM CDT | Special Weather Statement | LZK | Conway, Van Buren | 47 min |
| May 19, 5:45 PM CDT | Severe Thunderstorm Warning | LZK | Independence, Jackson, White | 45 min |
| May 19, 5:49 PM CDT | Special Weather Statement | LZK | Lonoke | 41 min |
| May 19, 5:57 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Lonoke, Pulaski | 48 min |
| May 19, 6:10 PM CDT | Special Weather Statement | LZK | Fulton, Izard | 50 min |
| May 19, 6:22 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Izard, Sharp | 53 min |
| May 19, 6:45 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke, White | 45 min |
| May 19, 6:47 PM CDT | Special Weather Statement | LZK | Faulkner | 43 min |
| May 19, 6:57 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner | 48 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.