Alert archive / Missouri / Flash Flood Warnings in 2021
Flash Flood Warning 75, NWS Springfield, MO
NWS Springfield, MO issued this flash flood warning at Jul 17, 2021, 5:21 PM CDT for Hickory County, Polk County, Missouri. It was in force for 6 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 17, 2021, 5:21 PM CDT (22:21 UTC)
- Expired
- Jul 17, 2021, 11:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hickory County, MO, Polk County, MO
The radar
The Springfield radar (KSGF), 67 km from the middle of the area, began a volume at 22:25 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 6:50 PM CDT | FLASH FLOOD | Flemington, MO | VIA SOCIAL MEDIA PICTURE OF ROAD CLOSED DUE TO FLASH FLOODING. |
| Jul 17, 8:00 PM CDT | FLASH FLOOD | 2 Ese Flemington, MO | ROUTE V CLOSED AT WEAUBLEAU CREEK. |
| Jul 17, 8:00 PM CDT | FLASH FLOOD | 2 S Flemington, MO | ROUTE O IS CLOSED DUE TO FLASH FLOODING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 10.4 hours before the alert went out and 107 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
- 1277 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
965
WGUS53 KSGF 172221
FFWSGF
MOC085-167-180430-
/O.NEW.KSGF.FF.W.0075.210717T2221Z-210718T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
521 PM CDT Sat Jul 17 2021
The National Weather Service in Springfield has issued a
* Flash Flood Warning for...
Southwestern Hickory County in central Missouri...
Northwestern Polk County in southwestern Missouri...
* Until 1130 PM CDT Saturday.
* At 521 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen in the Humansville area, including the Price Branch,
Weableau Creek, and Brush Creek basins. Additional rainfall
amounts up to 2 inches are possible in the warned area. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Humansville, Weaubleau, Flemington and Elkton.
This includes the following low water crossings...
Weaubleau Creek at Highway V.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Many flood
deaths occur in vehicles.
&&
LAT...LON 3778 9345 3777 9349 3769 9352 3775 9361
3783 9363 3783 9357 3791 9357 3791 9351
3794 9351 3794 9347 3791 9341 3781 9339
FLASH FLOOD...RADAR INDICATED
$$
DC1 follow-up statement
209
WGUS73 KSGF 180232
FFSSGF
Flash Flood Statement
National Weather Service Springfield MO
932 PM CDT Sat Jul 17 2021
MOC085-167-180430-
/O.CON.KSGF.FF.W.0075.000000T0000Z-210718T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hickory MO-Polk MO-
932 PM CDT Sat Jul 17 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT THIS
EVENING FOR SOUTHWESTERN HICKORY AND NORTHWESTERN POLK COUNTIES...
At 932 PM CDT, The Department of Highways reported flooding across
the warned area. Between 2 and 4 inches of rain have fallen in the
Weaubleau Creek, Price Branch, and Brush Creek basins. No additional
rainfall is expected the rest of tonight, however, residual flooding
will continue.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Humansville, Weaubleau, Flemington and Elkton.
This includes the following low water crossings...
Weaubleau Creek at Highway V.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Many flood
deaths occur in vehicles.
&&
LAT...LON 3778 9345 3777 9349 3769 9352 3775 9361
3783 9363 3783 9357 3791 9357 3791 9351
3794 9351 3794 9347 3791 9341 3781 9339
FLASH FLOOD...RADAR INDICATED
$$
DCThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 3:21 PM CDT | Flash Flood Warning | SGF | Greene | 110 min |
| Jul 17, 4:00 PM CDT | Areal Flood Advisory | SGF | Polk, St. Clair, Vernon | 4 hr |
| Jul 17, 4:24 PM CDT | Flash Flood Warning | SGF | Douglas | 7 hr |
| Jul 17, 4:41 PM CDT | Flash Flood Warning | SGF | Polk | 7 hr |
| Jul 17, 4:50 PM CDT | Flash Flood Warning | SGF | St. Clair | 7 hr |
| Jul 17, 5:46 PM CDT | Flash Flood Warning | SGF | Dallas, Polk | 6 hr |
| Jul 17, 6:16 PM CDT | Severe Thunderstorm Warning | SGF | Greene | 30 min |
Nearby
Flash Flood Warnings in Missouri, 2021Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.