Alert archive / Kansas / Flash Flood Watches in 2006
Flash Flood Watch 1, NWS Topeka, KS
NWS Topeka, KS issued this flash flood watch at Aug 18, 2006, 3:17 AM CDT for 6 counties in Kansas. It took effect at Aug 18, 2006, 7:00 AM CDT. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Aug 18, 2006, 3:17 AM CDT (08:17 UTC)
- In effect from
- Aug 18, 2006, 7:00 AM CDT
- Expired
- Aug 19, 2006, 7:00 AM CDT
- In force
- 24 hr
- Issued by
- NWS Topeka, KS
- Flood severity
- None
Counties Clay County, KS, Cloud County, KS, Marshall County, KS, Ottawa County, KS, Republic County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 110 km from the middle of the area, began a volume at 08:18 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
Omaha, NE (KOAX), launched 00:00Z, 8.3 hours before the alert went out and 211 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
- 2848 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Topeka, KS wrote its last area forecast discussion before this flash flood watch went out at Aug 18, 2:35 AM CDT, 42 minutes earlier.
Area forecast discussion, Aug 18, 2:35 AM 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>Hazardous weather outlook, Aug 17, 10:24 AM CDT, 16 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TOPEKA KS 1024 AM CDT THU AUG 17 2006 KSZ008>012-020>024-026-034>040-054>056-058-059-181530- REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY- POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS- WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON- 1024 AM CDT THU AUG 17 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL...NORTH CENTRAL AND NORTHEAST KANSAS. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE POSSIBLE ACROSS THE AREA. A FEW SEVERE THUNDERSTORMS MAY DEVELOP DURING THE LATE AFTERNOON AND EVENING HOURS AND PRODUCE DAMAGING STRAIGHT LINE WINDS. LOCALIZED FLOODING IS ALSO POSSIBLE FROM LATE THIS AFTERNOON ON INTO THE NIGHT...ESPECIALLY NORTH OF A LINE FROM CONCORDIA TO SENECA WHERE SIGNIFICANT RAINS FELL LAST NIGHT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THUNDERSTORM CHANCES CONTINUE ACROSS MUCH OF THE AREA THROUGH EARLY SUNDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTERS MAY BE NEEDED LATE THIS AFTERNOON AND THIS EVENING.
In the hours before
Special weather statement, Aug 18, 12:42 AM CDT, 2 hours 35 minutes before
SIGNIFICANT WEATHER ALERT NATIONAL WEATHER SERVICE TOPEKA KS 1242 AM CDT FRI AUG 18 2006 KSZ011-012-180645- BROWN-NEMAHA- 1242 AM CDT FRI AUG 18 2006 THROUGH 145 AM CDT...A THUNDERSTORM WILL MOVE NORTHEAST AT 20 MPH ACROSS PORTIONS OF NEMAHA AND BROWN COUNTIES. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THIS STORM IS CAPABLE OF PRODUCING STRONG WINDS IN EXCESS OF 50 MPH AND VERY HEAVY RAIN. SOME COMMUNITIES THAT COULD BE AFFECTED INCLUDE ONEIDA...KICKAPOO RESERVATION... POWHATTAN...FAIRVIEW...SABETHA...MORRILL... HIAWATHA...ROBINSON AND RESERVE.
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:19 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 41 min |
Nearby
Flash Flood Watches in Kansas, 2006Every flash flood watch in 2006
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.