Alert archive / Minnesota / Flash Flood Warnings in 2018
Flash Flood Warning 7, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 3, 2018, 10:19 PM CDT for Benton County, Sherburne County, Stearns County, Minnesota. It was in force for 3 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
- Aug 3, 2018, 10:19 PM CDT (03:19 UTC)
- Expired
- Aug 4, 2018, 1:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Benton County, MN, Sherburne County, MN, Stearns County, MN
The radar
The Minneapolis radar (KMPX), 106 km from the middle of the area, began a volume at 03:21 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 |
|---|---|---|---|
| Aug 4, 1:20 AM CDT | HEAVY RAIN 3.9 | 1 S St. Cloud, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.3 hours before the alert went out and 105 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
- 3195 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 17.5
The text
As transmitted.
659
WGUS53 KMPX 040319
FFWMPX
MNC009-141-145-040615-
/O.NEW.KMPX.FF.W.0007.180804T0319Z-180804T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
1019 PM CDT FRI AUG 3 2018
The National Weather Service in The Twin Cities has issued a
* Flash Flood Warning for...
Western Benton County in central Minnesota...
Northwestern Sherburne County in central Minnesota...
Northeastern Stearns County in central Minnesota...
* Until 115 AM CDT.
* At 1017 PM CDT, trained weather spotters reported flash flooding
with stalled cars in the St. Cloud area. Thunderstorms producing
heavy rain continue across the warned area. Up to two inches of
rain have already fallen.
* Some locations that will experience flooding include...
St. Cloud, Sauk Rapids, Waite Park, St. Joseph, Collegeville,
Albany, Avon, Rice, St Wendel, Opole and St. Stephen.
Additional rainfall amounts of an inch or two are possible in the
warned area. DO NOT drive through flooded areas.
LAT...LON 4579 9418 4552 9406 4548 9412 4559 9462
4566 9454 4575 9438
$$
BORGHOFF1 follow-up statement
755
WGUS73 KMPX 040611
FFSMPX
Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
111 AM CDT SAT AUG 4 2018
MNC009-141-145-040620-
/O.EXP.KMPX.FF.W.0007.000000T0000Z-180804T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton MN-Sherburne MN-Stearns MN-
111 AM CDT SAT AUG 4 2018
...THE FLASH FLOOD WARNING FOR WESTERN BENTON...NORTHWESTERN
SHERBURNE AND NORTHEASTERN STEARNS COUNTIES WILL EXPIRE AT 115 AM
CDT...
The heavy rain has ended...and flooding is no longer expected to
pose a threat. Flood waters have receded...and are no longer
expected to pose a threat. Please continue to heed any remaining
road closures.
LAT...LON 4579 9418 4552 9406 4548 9412 4559 9462
4566 9454 4575 9438
$$
AMKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 7:02 PM CDT | Severe Thunderstorm Warning | MPX | Stearns, Wright | 43 min |
| Aug 3, 7:33 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Sherburne, Wright | 27 min |
| Aug 3, 7:41 PM CDT | Special Weather Statement | MPX | Renville | 49 min |
| Aug 4, 12:05 AM CDT | Special Weather Statement | MPX | Isanti | 25 min |
| Aug 4, 12:17 AM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 28 min |
| Aug 4, 12:41 AM CDT | Special Weather Statement | MPX | Mille Lacs | 34 min |
| Aug 4, 12:43 AM CDT | Special Weather Statement | MPX | Isanti | 32 min |
| Aug 4, 1:15 AM CDT | Special Weather Statement | MPX | Kanabec | 30 min |
Nearby
Flash Flood Warnings in Minnesota, 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.