Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 384, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at May 8, 2008, 10:34 PM CDT for Alfalfa County, Oklahoma. It was in force for 56 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 8, 2008, 10:34 PM CDT (03:34 UTC)
- Expired
- May 8, 2008, 11:30 PM CDT
- In force
- 56 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
County Alfalfa County, OK
The radar
The Vance AFB radar (KVNX), 18 km from the middle of the area, began a volume at 03:35 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 8, 8:08 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lamont, OK (KLMN), launched 00:00Z, 3.6 hours before the alert went out and 76 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
- 116 J/kg
- Mixed-layer CIN
- -321 J/kg
- Mixed-layer LCL
- 1452 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 227 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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 5:39 PM CDT, 4 hours 55 minutes earlier.
Area forecast discussion, May 8, 5:39 PM CDT, 4 hours 55 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 539 PM CDT THU MAY 8 2008 .UPDATE... CU FIELD NEAR THE DRYLINE IN THE EASTERN TEXAS PANHANDLE HAS DISSIPATED LATE TIS AFTERNOON AND IN THE SHORT RUN IT LOOKS LIKE MOST OF THE SHOWER AND THUNDERSTORM ACTIVITY WILL BE TO THE NORTHWEST OF THE CWA. WILL LOWER POPS FOR THIS EVENING ACROSS NORTH CENTRAL AND CENTRAL OKLAHOMA... AS ANY ACTIVITY THAT DOES OCCUR IN THE CWA SHOULD BE IN THE NORTHWEST. KEPT CURRENT POPS GOING FOR LATE TONIGHT AS KANSAS CONVECTION MAY TEND TO PROPAGATE SOUTHEAST AS THE COLD FRONT APPROACHES THE AREA. STILL LOOKS LIKE THE BEST CHANCES FOR STORMS IN OUR AREA WILL BE ACROSS NORTH CENTRAL OKLAHOMA. && .PREV DISCUSSION... /ISSUED 305 PM CDT THU MAY 8 2008/ DISCUSSION... MID AFTERNOON LAPS ANALYSIS INDICATED AN AXIS OF WEAK INSTABILITY FROM THE CENTRAL AND EASTERN TEXAS PANHANDLE NORTHWARD INTO WESTERN KANSAS. OPERATIONAL MODELS SUGGEST MOST OF THE STORMS WILL REMAIN NORTH OF THE FA THIS EVENING AND OVERNIGHT...WHILE SEVERAL HIGH RESOLUTION MODELS INDICATE A FEW STORMS WILL MOVE INTO NORTHWEST OKLAHOMA EARLY THIS EVENING. A FEW SUPERCELL STORMS ARE POSSIBLE GIVEN THE AMOUNT OF DEEP LAYER SHEAR. SEVERE STORMS WILL BE POSSIBLE AGAIN SATURDAY AFTERNOON AS MOISTURE RETURNS IN ADVANCE OF ANOTHER COLD FRONT. MODELS STILL INDICATE THE BETTER CHANCES FOR STORMS AND SEVERE WEATHER WILL BE ACROSS THE EASTERN HALF OF THE STATE SATURDAY AFTERNOON/EVENING. MEDIUM RANGE MODELS ARE SIMILAR IN TRACKING ANOTHER UPPER LEVEL WAVE ACROSS THE CENTRAL US ON TUESDAY WITH COOLER AND SOMEWHAT DRIER WEATHER WEDNESDAY INTO THURSDAY. ADJUSTED DAY 4 THROUGH DAY 7 TEMPERATURES AND WINDS TO BETTER REFLECT THE OVERALL SYNOPTIC PATTERN EXPECTED NEXT WEEK. && .PRELIMINARY POINT TEMPS/POPS... OKLAHOMA CITY OK 56 82 58 77 / 20 0 20 20 HOBART OK 55 83 58 80 / 10 0 10 10 WICHITA FALLS TX 59 86 63 87 / 10 0 10 10 GAGE OK 47 82 53 73 / 20 0 10 10 PONCA CITY OK 55 77 60 74 / 40 0 10 30 DURANT OK 61 85 65 86 / 10 10 10 20 && .OUN WATCHES/WARNINGS/ADVISORIES... OK...NONE. TX...NONE. && 20/32
Hazardous weather outlook, May 8, 9:50 PM CDT, 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>In the hours before
Special weather statement, May 8, 8:57 PM CDT, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 857 PM CDT THU MAY 8 2008 OKZ004-090215- HARPER OK- 857 PM CDT THU MAY 8 2008 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR HARPER COUNTY. A STRONG THUNDERSTORM WAS LOCATED 10 MILES NORTHWEST OF ROSSTON AT 857 PM CDT...MOVING EAST AT 45 MPH. HAIL TO NEAR THE SIZE OF DIMES AND WINDS OF 45 TO 50 MPH ARE POSSIBLE AS THE STORM MOVES EAST ACROSS THE NORTHERN HALF OF HARPER COUNTY. PEOPLE IN HARPER COUNTY SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. CJS
Special weather statement, May 8, 9:00 PM CDT, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 900 PM CDT THU MAY 8 2008 OKZ005-090215- WOODS OK- 900 PM CDT THU MAY 8 2008 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR NORTHERN WOODS COUNTY. A STRONG THUNDERSTORM WAS LOCATED 17 MILES NORTHWEST OF LOOKOUT AT 900 PM CDT...MOVING EAST SOUTHEAST AT 45 MPH. THIS STORM CONTINUES TO STRENGTHEN. THE STORM IS PROJECTED TO MOVE ALONG THE KANSAS BORDER AND COULD BRUSH THE NORTHERN PART OF WOODS COUNTY. PEOPLE IN WOODS COUNTY SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS. CJS
Special weather statement, May 8, 9:14 PM CDT, 1 hour 20 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>Local storm report, May 8, 9:52 PM CDT, 42 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 8, 10:04 PM CDT, 30 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 8, 10:24 PM CDT, 10 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 Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 9:21 PM CDT | Severe Thunderstorm Warning | OUN | Harper | 39 min |
| May 8, 11:02 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 58 min |
| May 8, 11:43 PM CDT | Severe Thunderstorm Warning | OUN | Grant, Kay | 47 min |
| May 9, 12:10 AM CDT | Severe Thunderstorm Warning | OUN | Kay | 40 min |
| May 9, 12:29 AM CDT | Severe Thunderstorm Warning | OUN | Kay | 22 min |
| May 9, 4:19 AM CDT | Fire Weather Watch | OUN | Beckham, Greer, Harmon, Jackson | 23 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2008Every severe thunderstorm warning in 2008
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.