Alert archive / Missouri / Flash Flood Warnings in 2021
Flash Flood Warning 71, NWS Springfield, MO
NWS Springfield, MO issued this flash flood warning at Jul 17, 2021, 3:21 PM CDT for Greene County, Missouri. It was in force for 110 min. 4 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, 3:21 PM CDT (20:21 UTC)
- Expired
- Jul 17, 2021, 5:11 PM CDT
- In force
- 110 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Greene County, MO
The radar
The Springfield radar (KSGF), 8 km from the middle of the area, began a volume at 20:22 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, 3:21 PM CDT | FLASH FLOOD | 2 N Springfield, MO | AT LEAST 12 INCHES OF WATER FLOWING OVER PORTIONS OF COMMERCIAL AND KEARNEY STREETS IN DOWNTOWN SPRINGFIELD. 2.27 INCHES OF RAINFALL FELL IN 45 MINUTES. |
| Jul 17, 3:50 PM CDT | FLASH FLOOD | 1 Nne Springfield, MO | NUMEROUS FLOODED INTERSECTIONS IN THE MID-TOWN AREA OF SPRINGFIELD. MANHOLE COVERS POPPED OFF ALONG JEFFERSON SOUTH OF CHESTNUT EXPRESSWAY. WATER IS ALREADY BEGINNING TO RECEDE IN SOME AREAS OF TOWN. TWO RESOLVED WATER RESCUES FROM VEHICLES FLOODED OUT IN ROAD |
| Jul 17, 4:08 PM CDT | HEAVY RAIN 2.3 | 2 Nnw Springfield, MO | MESONET STATION FW4115 SPRINGFIELD-GREENE COUNTY OEM. 3HR TOTAL. |
| Jul 17, 4:08 PM CDT | HEAVY RAIN 2.3 | 2 Nnw Springfield, MO | MESONET STATION FW4115 SPRINGFIELD-GREENE COUNTY OEM. 3HR TOTAL. THE PERIOD OF THE HEAVY RAIN EVENT WAS 24 HOURS. |
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, 8.4 hours before the alert went out and 50 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.
398
WGUS53 KSGF 172021
FFWSGF
MOC077-180030-
/O.NEW.KSGF.FF.W.0071.210717T2021Z-210718T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
321 PM CDT Sat Jul 17 2021
The National Weather Service in Springfield has issued a
* Flash Flood Warning for...
South Central Greene County in southwestern Missouri...
* Until 730 PM CDT.
* At 321 PM CDT, Emergency management reported some street flooding
along Kearney and Commercial streets in downtown Springfield.
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...Emergency management reported.
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, Battlefield, Willard and Brookline.
This includes the following low water crossings...
Wilson's Creek at Farm Road 150, Wilson Creek at Farm Road 156 and
Wilson Creek at Farm Road 146.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Many flood
deaths occur in vehicles.
&&
LAT...LON 3713 9343 3729 9340 3732 9323 3717 9323
3713 9334 3710 9338 3710 9342
FLASH FLOOD...OBSERVED
$$
Rothstein2 follow-up statements
052
WGUS73 KSGF 172049
FFSSGF
Flash Flood Statement
National Weather Service Springfield MO
349 PM CDT Sat Jul 17 2021
MOC077-180030-
/O.CON.KSGF.FF.W.0071.000000T0000Z-210718T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene MO-
349 PM CDT Sat Jul 17 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT THIS
EVENING FOR SOUTH CENTRAL GREENE COUNTY...
At 349 PM CDT, Local law enforcement reported a water rescue at
National Avenue and Chestnut Street in Springfield, MO. Between 1
and 2.3 inches of rain have fallen. Flash flooding is ongoing.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Springfield, Republic, Battlefield, Willard and Brookline.
This includes the following low water crossings...
Wilson's Creek at Farm Road 150, Wilson Creek at Farm Road 156 and
Wilson Creek at Farm Road 146.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Many flood
deaths occur in vehicles.
&&
LAT...LON 3713 9343 3729 9340 3732 9323 3717 9323
3713 9334 3710 9338 3710 9342
FLASH FLOOD...OBSERVED
$$
Rothstein421
WGUS73 KSGF 172211
FFSSGF
Flash Flood Statement
National Weather Service Springfield MO
511 PM CDT Sat Jul 17 2021
MOC077-172221-
/O.CAN.KSGF.FF.W.0071.000000T0000Z-210718T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greene MO-
511 PM CDT Sat Jul 17 2021
...FLASH FLOOD WARNING IS CANCELLED FOR GREENE COUNTY...
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 3713 9343 3729 9340 3732 9323 3717 9323
3713 9334 3710 9338 3710 9342
$$
DCThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 5:21 PM CDT | Flash Flood Warning | SGF | Hickory, Polk | 6 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.