Alert archive / Kansas / Areal Flood Advisories in 2021
Areal Flood Advisory 65, NWS Topeka, KS
NWS Topeka, KS issued this areal flood advisory at Aug 13, 2021, 6:30 AM CDT for Douglas County, Franklin County, Jefferson County, Kansas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2021, 6:30 AM CDT (11:30 UTC)
- Expired
- Aug 13, 2021, 8:30 AM CDT
- In force
- 2 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
Counties Douglas County, KS, Franklin County, KS, Jefferson County, KS
The radar
The Topeka radar (KTWX), 80 km from the middle of the area, began a volume at 11:29 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
Topeka, KS (KTOP), launched 00:00Z, 11.5 hours before the alert went out and 30 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
- 4214 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1420 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.4
What forecasters said that day
The local office's own words before this areal flood advisory 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 areal flood advisory went out at Aug 13, 5:43 AM CDT, 47 minutes earlier.
Area forecast discussion, Aug 13, 5:43 AM CDT, 47 minutes before
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</html>Hazardous weather outlook, Aug 13, 3:22 AM CDT, 3 hours 8 minutes before
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Special weather statement, Aug 13, 2:44 AM CDT, 3 hours 46 minutes before
Special Weather Statement
National Weather Service Topeka KS
244 AM CDT Fri Aug 13 2021
KSZ022-023-038-130830-
Wabaunsee-Pottawatomie-Riley-
244 AM CDT Fri Aug 13 2021
...A strong thunderstorm will impact portions of eastern Riley,
northern Wabaunsee and south central Pottawatomie Counties through
330 AM CDT...
At 244 AM CDT, Doppler radar was tracking a strong thunderstorm near
St. George, moving southeast at 20 mph.
HAZARD...Wind gusts of 50 to 55 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Wamego, Alma, St. George, Maple Hill, McFarland, Paxico, Belvue and
Louisville.
This includes Interstate 70 between mile markers 321 and 340.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3922 9653 3932 9634 3908 9598 3896 9633
TIME...MOT...LOC 0744Z 325DEG 17KT 3921 9638
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH
ReeseLocal storm report, Aug 13, 4:35 AM CDT, 1 hour 55 minutes before
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</html>Local storm report, Aug 13, 4:39 AM CDT, 1 hour 51 minutes before
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</html>Local storm report, Aug 13, 5:15 AM CDT, 1 hour 15 minutes before
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</html>Local storm report, Aug 13, 5:16 AM CDT, 1 hour 14 minutes before
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</html>Local storm report, Aug 13, 5:18 AM CDT, 1 hour 12 minutes before
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</html>The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 7:19 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 26 min |
| Aug 12, 7:31 PM CDT | Special Weather Statement | TOP | Douglas | 29 min |
| Aug 12, 8:58 PM CDT | Special Weather Statement | TOP | Morris | 32 min |
| Aug 12, 9:06 PM CDT | Severe Thunderstorm Warning | TOP | Morris | 24 min |
| Aug 12, 9:29 PM CDT | Special Weather Statement | TOP | Franklin | 31 min |
| Aug 12, 9:43 PM CDT | Special Weather Statement | TOP | Dickinson | 47 min |
| Aug 12, 9:46 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 29 min |
| Aug 12, 10:02 PM CDT | Special Weather Statement | TOP | Dickinson | 43 min |
| Aug 12, 10:18 PM CDT | Special Weather Statement | TOP | Franklin | 42 min |
| Aug 12, 10:38 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 37 min |
| Aug 12, 10:49 PM CDT | Areal Flood Advisory | TOP | Douglas, Franklin | 5 hr |
| Aug 12, 11:06 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Franklin | 24 min |
| Aug 12, 11:55 PM CDT | Flash Flood Warning | TOP | Douglas, Franklin, Shawnee | 3 min |
| Aug 13, 12:01 AM CDT | Flash Flood Warning | TOP | Douglas, Franklin | 6 hr |
| Aug 13, 12:11 AM CDT | Areal Flood Advisory | TOP | Douglas, Jefferson | 3 hr |
| Aug 13, 12:22 AM CDT | Severe Thunderstorm Warning | TOP | Brown, Jackson, Nemaha | 23 min |
| Aug 13, 12:43 AM CDT | Severe Thunderstorm Warning | TOP | Brown | 17 min |
| Aug 13, 12:55 AM CDT | Special Weather Statement | TOP | Brown | 35 min |
| Aug 13, 1:19 AM CDT | Special Weather Statement | TOP | Marshall | 41 min |
| Aug 13, 1:38 AM CDT | Special Weather Statement | TOP | Douglas, Jefferson | 52 min |
| Aug 13, 1:49 AM CDT | Areal Flood Advisory | TOP | Brown, Jackson, Marshall, Nemaha | 5 hr |
| Aug 13, 1:56 AM CDT | Special Weather Statement | TOP | Lyon | 49 min |
| Aug 13, 2:07 AM CDT | Severe Thunderstorm Warning | TOP | Coffey, Lyon | 38 min |
| Aug 13, 2:10 AM CDT | Flash Flood Warning | TOP | Lyon, Osage | 4 hr |
| Aug 13, 2:18 AM CDT | Flash Flood Warning | TOP | Douglas, Franklin, Jefferson | 4 hr |
| Aug 13, 2:44 AM CDT | Special Weather Statement | TOP | Wabaunsee | 46 min |
| Aug 13, 2:51 AM CDT | Flash Flood Warning | TOP | Lyon | 4 hr |
| Aug 13, 3:15 AM CDT | Areal Flood Advisory | TOP | Douglas, Jefferson, Osage, Shawnee | 3 hr |
| Aug 13, 3:51 AM CDT | Areal Flood Advisory | TOP | Republic, Washington | 3 hr |
| Aug 13, 6:09 AM CDT | Areal Flood Advisory | TOP | Lyon, Osage | 105 min |
| Aug 13, 6:27 AM CDT | Areal Flood Advisory | TOP | Douglas, Franklin | 2 hr |
| Aug 13, 6:52 AM CDT | Areal Flood Advisory | TOP | Lyon | 53 min |
| Aug 13, 9:08 AM CDT | River Flood Warning | TOP | Washington | 4 hr |
Nearby
Areal Flood Advisories in Kansas, 2021Every areal flood advisory in 2021
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.