Alert archive / Kansas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 15, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Apr 30, 2009, 3:33 AM CDT for Decatur County, Norton County, Kansas; Red Willow County, Nebraska. It was in force for 33 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
- Apr 30, 2009, 3:33 AM CDT (08:33 UTC)
- Expired
- Apr 30, 2009, 4:06 AM CDT
- In force
- 33 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
Counties Decatur County, KS, Norton County, KS, Red Willow County, NE
The radar
The Goodland radar (KGLD), 136 km from the middle of the area, began a volume at 08:33 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 |
|---|---|---|---|
| Apr 30, 1:36 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 8.6 hours before the alert went out and 138 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
- 2422 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1313 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -0.8
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 Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 30, 2:07 AM CDT, 1 hour 26 minutes earlier.
Area forecast discussion, Apr 30, 2:07 AM CDT, 1 hour 26 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 107 AM MDT THU APR 30 2009 .DISCUSSION... 107 AM MDT THU APR 30 2009 ONE CLOSED LOW WAS LOCATED OVER THE NORTHERN PLAINS WHILE A SECOND REMAINED OVER THE NORTHERN INTERMOUNTAIN/PAC NW REGION EARLY THIS MORNING. DEEP MOIST CONVECTION WAS ONGOING ACROSS THE NORTHERN PORTION OF THE FORECAST AREA WHILE A COLD FRONT CONTINUES TO SAG SOUTH OVER THE FORECAST AREA. MORNING CONVECTION WILL BE ONGOING WITH SUBSIDENCE/CLEARING EXPECTED DURING THE AFTERNOON RESULTING IN SEASONABLE HIGHS IN THE 60S. A PROGRESSIVE SHORTWAVE TROUGH WILL DIG SOUTHEAST OVERNIGHT KEEPING LOW POPS IN THE FORECAST. FRI-SAT...POST-FRONTAL CONDITIONS ARE ANTICIPATED ACROSS THE CENTRAL HIGH PLAINS WITH INCREASING CHANCES FOR SHOWERS THROUGH THE PERIOD AS A SHORTWAVE TROUGH TRANSLATES EAST AND APPROACHES THE AREA. THE PREVIOUS FORECAST CAPTURED THE EXPECTED SCENARIO WITH ONLY MINOR ADJUSTMENTS PLANNED. DAYS 4 THROUGH 7...NO CHANGES. && .AVIATION... 1110 PM MDT WED APR 29 2009 FOR THE 06Z TAFS...VERY ACTIVE AND UNCERTAIN PERIOD. COLD FRONT IS SLOWLY PUSHING SOUTH OVER THE AREA. NOT SURE HOW FAR SOUTH DEVELOPMENT WILL BE BUT TSRA LOOK TO STAY JUST TO THE EAST OF KGLD. KMCK SHOULD CATCH THE BRUNT OF THIS THUNDERSTORM COMPLEX. MODELS ARE DIFFERING ON THE AMOUNT OF CLOUD COVER AND HEIGHT OF CEILINGS. SHOULD SEE MVFR CEILINGS THIS MORNING AND RAISING ABOVE MVFR DURING THE AFTERNOON. BULLER && .GLD WATCHES/WARNINGS/ADVISORIES... KS...NONE. NE...NONE. CO...NONE. &&
Hazardous weather outlook, Apr 29, 11:45 AM CDT, 15 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GOODLAND KS 1045 AM MDT WED APR 29 2009 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-301200- YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON- SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA- DUNDY-HITCHCOCK-RED WILLOW- 1045 AM MDT WED APR 29 2009 /1145 AM CDT WED APR 29 2009/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON ACROSS THE TRI STATE AREA. COVERAGE WILL BE SOMEWHAT LIMITED BEFORE SUNSET...BUT ANY STORM THAT DEVELOPS COULD PRODUCE LARGE HAIL... DAMAGING WINDS...AND PERHAPS A TORNADO. THUNDERSTORM COVERAGE WILL INCREASE TONIGHT...ESPECIALLY NORTH OF INTERSTATE 70. THE THREAT FOR SEVERE STORMS WILL DECREASE AS THE NIGHT WEARS ON...WITH LOCALLY HEAVY RAIN AND SMALL HAIL THE PRIMARY THREATS AFTER MIDNIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT.
In the hours before
Local storm report, Apr 30, 12:27 AM CDT, 3 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
1127 PM MDT WED APR 29 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1115 PM HAIL 7 SW CLARKVILLE 40.31N 102.71W
04/29/2009 M1.75 INCH YUMA CO TRAINED SPOTTER
&&
MWMLocal storm report, Apr 30, 1:38 AM CDT, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
1238 AM MDT THU APR 30 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1230 AM HAIL 6 NW WRAY 40.14N 102.31W
04/30/2009 E1.75 INCH YUMA CO TRAINED SPOTTER
GOLF BALL SIZED HAIL BROKE A WINDOW
&&
BLMSpecial weather statement, Apr 30, 2:30 AM CDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 130 AM MDT THU APR 30 2009 NEZ080-081-300830- HITCHCOCK-RED WILLOW- 230 AM CDT THU APR 30 2009 ...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR HITCHCOCK COUNTY IN SOUTHWEST NEBRASKA AND RED WILLOW COUNTY IN SOUTHWEST NEBRASKA... AT 229 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR CULBERTSON...MOVING EAST AT 25 MPH. PENNY SIZE HAIL...AND WINDS TO 50 MPH ARE EXPECTED WITH THIS STORM. BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND BECOME SEVERE. MCGUIRE
Special weather statement, Apr 30, 3:05 AM CDT, 28 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 Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 1:44 AM CDT | Severe Thunderstorm Warning | GLD | Cheyenne | 61 min |
| Apr 30, 1:59 AM CDT | Severe Thunderstorm Warning | GLD | Cheyenne | 61 min |
| Apr 30, 3:17 AM CDT | Severe Thunderstorm Warning | GLD | Rawlins | 58 min |
| Apr 29, 11:56 PM CDT | Severe Thunderstorm Warning | GLD | Yuma | 64 min |
| Apr 30, 12:55 AM CDT | Severe Thunderstorm Warning | GLD | Yuma | 65 min |
| Apr 30, 1:07 AM CDT | Flash Flood Warning | GLD | Yuma | 3 hr |
| Apr 30, 2:34 AM CDT | Severe Thunderstorm Warning | GLD | Hitchcock, Red Willow | 56 min |
| Apr 30, 7:48 AM CDT | Areal Flood Warning | GLD | Hitchcock | 5 hr |
Nearby
Severe Thunderstorm Warnings in Kansas, 2009Severe Thunderstorm Warnings in Nebraska, 2009Every severe thunderstorm warning in 2009
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.