Alert archive / Missouri / Flash Flood Warnings in 2018
Flash Flood Warning 8, NWS Springfield, MO
NWS Springfield, MO issued this flash flood warning at May 20, 2018, 9:02 AM CDT for 5 counties in Missouri. It was in force for 6 hr. 1 report 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
- May 20, 2018, 9:02 AM CDT (14:02 UTC)
- Expired
- May 20, 2018, 3:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Benton County, MO, Camden County, MO, Hickory County, MO, Morgan County, MO, St. Clair County, MO
The radar
The Springfield radar (KSGF), 110 km from the middle of the area, began a volume at 14:04 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 |
|---|---|---|---|
| May 20, 11:00 AM CDT | FLASH FLOOD | 2 Sw Barnumton, MO | SOCIAL MEDIA PICTURES OF NUMEROUS LOW WATER CROSSINGS FLOODED WITH SOME BARRICADED OFF. |
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, 2.0 hours before the alert went out and 154 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
- 1422 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 1014 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.3
The text
As transmitted.
978
WGUS53 KSGF 201402
FFWSGF
MOC015-029-085-141-185-202000-
/O.NEW.KSGF.FF.W.0008.180520T1402Z-180520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
902 AM CDT SUN MAY 20 2018
The National Weather Service in Springfield has issued a
* Flash Flood Warning for...
Northern Hickory County in central Missouri...
Southern Benton County in central Missouri...
St. Clair County in west central Missouri...
Northwestern Camden County in central Missouri...
Morgan County in central Missouri...
* Until 300 PM CDT Sunday
* At 859 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Three
to five inches of rain has already fallen across much of the area
with localized amounts up to six inches. Flash flooding is
expected to begin shortly.
* Creeks, streams, and low water crossings will be especially
susceptible to the dangers of flash flooding.
Locations in the warning include...
Versailles... Village of Four Seasons...
Appleton City... Stover...
Osceola... Laurie...
Lowry City... Hermitage...
Sunrise Beach... Wheatland...
Preston... Cross Timbers...
Gravois Mills... Climax Springs...
Roscoe... Vista...
Gerster... Quincy...
Fristoe... Knobby...
This warning includes but is not limited to the following low water
crossings...
Route V at Deer Creek near Hastain...
Route DD at Knobby Creek 6 miles northeast of Edwards...
Route BB, 9 miles east of Schell City...
Route O near Laurie...
and Rainy Creek 2 miles north of Climax Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3848 9287 3841 9269 3822 9270 3811 9275
3798 9302 3792 9333 3795 9379 3799 9386
3796 9405 3821 9405 3821 9308 3846 9307
3858 9300
$$
Schaumann2 follow-up statements
281
WGUS73 KSGF 201837
FFSSGF
Flash Flood Statement
National Weather Service Springfield MO
137 PM CDT SUN MAY 20 2018
MOC015-029-085-141-185-202000-
/O.CON.KSGF.FF.W.0008.000000T0000Z-180520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hickory MO-Benton MO-St. Clair MO-Camden MO-Morgan MO-
137 PM CDT SUN MAY 20 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR
NORTHERN HICKORY...SOUTHERN BENTON...ST. CLAIR...NORTHWESTERN CAMDEN
AND MORGAN COUNTIES...
Radar and rain gauges indicate that three to six inches of rain fell
across the area over the last 24 hours. This is likely resulting in
flash flooding.
Creeks, streams, and low water crossings will be especially
susceptible to the dangers of flash flooding.
This warning includes but is not limited to the following low water
crossings...
Route V at Deer Creek near Hastain...
Route DD at Knobby Creek 6 miles northeast of Edwards...
Route BB, 9 miles east of Schell City...
Route O near Laurie...
and Rainy Creek 2 miles north of Climax Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3848 9287 3841 9269 3822 9270 3811 9275
3798 9302 3792 9333 3795 9379 3799 9386
3796 9405 3821 9405 3821 9308 3846 9307
3858 9300
$$
Schaumann262
WGUS73 KSGF 201951
FFSSGF
Flash Flood Statement
National Weather Service Springfield MO
251 PM CDT SUN MAY 20 2018
MOC015-029-085-141-185-202001-
/O.EXP.KSGF.FF.W.0008.000000T0000Z-180520T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hickory MO-Benton MO-St. Clair MO-Camden MO-Morgan MO-
251 PM CDT SUN MAY 20 2018
...THE FLASH FLOOD WARNING FOR NORTHERN HICKORY...SOUTHERN BENTON...
ST. CLAIR...NORTHWESTERN CAMDEN AND MORGAN COUNTIES WILL EXPIRE AT
300 PM CDT...
The threat for rapid rises in water levels has diminished. Flash
flooding is no longer expected to pose a threat to life or property.
Please continue to heed any remaining road closures.
LAT...LON 3848 9287 3841 9269 3822 9270 3811 9275
3798 9302 3792 9333 3795 9379 3799 9386
3796 9405 3821 9405 3821 9308 3846 9307
3858 9300
$$
WiseThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:06 PM CDT | Areal Flood Advisory | SGF | Benton, Morgan | 5 hr |
| May 19, 7:34 PM CDT | Special Weather Statement | SGF | Dent, Laclede, Maries, Miller, Phelps, Pulaski | 56 min |
| May 19, 8:13 PM CDT | Severe Thunderstorm Warning | SGF | Texas, Wright | 47 min |
| May 19, 8:38 PM CDT | Special Weather Statement | SGF | Dent | 52 min |
| May 19, 8:42 PM CDT | Special Weather Statement | SGF | Wright | 63 min |
| May 19, 8:47 PM CDT | Severe Thunderstorm Warning | SGF | Texas, Wright | 43 min |
| May 19, 9:01 PM CDT | Special Weather Statement | SGF | Texas | 44 min |
| May 19, 9:27 PM CDT | Areal Flood Advisory | SGF | Texas | 6 hr |
| May 19, 9:34 PM CDT | Special Weather Statement | SGF | Shannon | 56 min |
| May 19, 10:42 PM CDT | Special Weather Statement | SGF | Shannon | 48 min |
| May 19, 10:52 PM CDT | Severe Thunderstorm Warning | SGF | Texas | 38 min |
| May 19, 11:03 PM CDT | Flash Flood Warning | SGF | Shannon, Texas | 6 hr |
| May 20, 12:54 AM CDT | Severe Thunderstorm Warning | SGF | Barton, Jasper | 51 min |
| May 20, 1:35 AM CDT | Special Weather Statement | SGF | Barton, Cedar, Dade | 40 min |
| May 20, 2:34 AM CDT | Flash Flood Warning | SGF | Benton | 12 hr |
| May 20, 4:54 AM CDT | Areal Flood Advisory | SGF | Howell, Shannon, Texas | 6 hr |
| May 20, 5:16 AM CDT | Severe Thunderstorm Warning | SGF | Jasper, McDonald, Newton | 59 min |
| May 20, 6:06 AM CDT | River Flood Warning | SGF | Shannon | 15 hr |
| May 20, 6:07 AM CDT | Special Weather Statement | SGF | Barton, Dade, Jasper, Lawrence, McDonald, Newton | 53 min |
| May 20, 6:38 AM CDT | Special Weather Statement | SGF | Barry, Christian, Dade, Greene, Polk | 52 min |
| May 20, 8:22 AM CDT | Special Weather Statement | SGF | Laclede, Maries, Miller, Morgan, Phelps, Pulaski | 53 min |
| May 20, 9:13 AM CDT | Severe Thunderstorm Warning | SGF | Maries, Phelps | 32 min |
| May 20, 10:33 AM CDT | Areal Flood Warning | SGF | Barton, Vernon | 24 hr |
| May 20, 10:49 AM CDT | River Flood Warning | SGF | Vernon | 3 days |
| May 20, 10:49 AM CDT | River Flood Warning | SGF | Vernon | 3 days |
| May 20, 3:11 PM CDT | Special Weather Statement | SGF | Newton | 49 min |
| May 20, 3:48 PM CDT | Special Weather Statement | SGF | Jasper | 42 min |
| May 20, 3:53 PM CDT | Special Weather Statement | SGF | Jasper | 52 min |
| May 20, 4:37 PM CDT | Special Weather Statement | SGF | Cedar | 53 min |
| May 20, 4:39 PM CDT | Special Weather Statement | SGF | Stone | 51 min |
| May 20, 4:54 PM CDT | Severe Thunderstorm Warning | SGF | Cedar | 24 min |
| May 20, 5:20 PM CDT | Special Weather Statement | SGF | Stone | 40 min |
| May 20, 5:39 PM CDT | Special Weather Statement | SGF | St. Clair | 51 min |
| May 20, 5:52 PM CDT | Special Weather Statement | SGF | Christian | 38 min |
| May 20, 6:08 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Hickory | 52 min |
| May 20, 6:19 PM CDT | Severe Thunderstorm Warning | SGF | Christian, Douglas, Taney | 56 min |
| May 20, 6:43 PM CDT | Severe Thunderstorm Warning | SGF | Ozark, Taney | 47 min |
| May 20, 6:48 PM CDT | Special Weather Statement | SGF | Camden | 42 min |
Nearby
Flash Flood Warnings in Missouri, 2018Every flash flood warning in 2018
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.