Alert archive / Missouri / Flash Flood Warnings in 2021
Flash Flood Warning 25, NWS Springfield, MO
NWS Springfield, MO issued this flash flood warning at Apr 29, 2021, 12:38 AM CDT for Greene County, Webster County, Wright County, Missouri. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 29, 2021, 12:38 AM CDT (05:38 UTC)
- Expired
- Apr 29, 2021, 3:57 AM CDT
- In force
- 3 hr
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Greene County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 35 km from the middle of the area, began a volume at 05:42 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
Springfield, MO (KSGF), launched 00:00Z, 5.6 hours before the alert went out and 82 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
- 48 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 761 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 320 m²/s²
- 0-3 km storm-relative helicity
- 258 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted.
668
WGUS53 KSGF 290538
FFWSGF
MOC077-225-229-290930-
/O.NEW.KSGF.FF.W.0025.210429T0538Z-210429T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1238 AM CDT Thu Apr 29 2021
The National Weather Service in Springfield has issued a
* Flash Flood Warning for...
Southeastern Greene County in southwestern Missouri...
Central Webster County in southwestern Missouri...
Northwestern Wright County in southwestern Missouri...
* Until 430 AM CDT.
* At 1238 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts up to 1 inch 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...
Springfield, Marshfield, Battlefield, Strafford, Rogersville,
Niangua, Northview and Turners.
This includes the following highways...
Interstate 44 between mile markers 83 and 102.
This includes the following low water crossings...
Farm Road 164 at The James River just east of Springfield,
Greenwood Road at The Pomme de Terre Headwaters, Route A just
south of Marshfield, Highway 125 just south of Highway 60, North
Iron Mountain Road at Panther Creek near Fordland, Greenwood Road
5 miles west of Marshfield and Farm Road 134 at The James River
northeast of Turners.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3710 9346 3732 9308 3735 9297 3748 9268
3747 9246 3725 9290 3722 9294 3709 9307
FLASH FLOOD...RADAR INDICATED
$$
MMT1 follow-up statement
525
WGUS73 KSGF 290857
FFSSGF
Flash Flood Statement
National Weather Service Springfield MO
357 AM CDT Thu Apr 29 2021
MOC077-225-229-290907-
/O.CAN.KSGF.FF.W.0025.000000T0000Z-210429T0930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene MO-Webster MO-Wright MO-
357 AM CDT Thu Apr 29 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN GREENE, CENTRAL
WEBSTER AND NORTHWESTERN WRIGHT COUNTIES...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 3710 9346 3732 9308 3735 9297 3748 9268
3747 9246 3725 9290 3722 9294 3709 9307
$$
MMTThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:42 PM CDT | Areal Flood Warning | SGF | McDonald | 23 hr |
| Apr 29, 1:58 AM CDT | Flash Flood Warning | SGF | Phelps | 2 hr |
| Apr 29, 2:51 AM CDT | Severe Thunderstorm Warning | SGF | Oregon | 24 min |
| Apr 29, 5:22 AM CDT | Areal Flood Warning | SGF | Christian, Greene, Webster | 12 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.