Alert archive / Minnesota / Flash Flood Warnings in 2014
Flash Flood Warning 18, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 17, 2014, 6:53 PM CDT for Dakota County, Goodhue County, Minnesota. It was in force for 4 hr. 2 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
- Aug 17, 2014, 6:53 PM CDT (23:53 UTC)
- Expired
- Aug 17, 2014, 11:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Dakota County, MN, Goodhue County, MN
The radar
The Minneapolis radar (KMPX), 68 km from the middle of the area, began a volume at 23:56 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 17, 7:11 PM CDT | FLASH FLOOD | 2 Ssw Miesville, MN | MIESVILLE TRAIL WASHED OUT. REPORT GATHERED VIA TWITTER. |
| Aug 17, 8:12 PM CDT | HEAVY RAIN 5 | Hampton, 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 12:00Z, 11.9 hours before the alert went out and 71 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
- 426 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
423
WGUS53 KMPX 172353
FFWMPX
MNC037-049-180400-
/O.NEW.KMPX.FF.W.0018.140817T2353Z-140818T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
653 PM CDT SUN AUG 17 2014
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
SOUTHERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 1100 PM CDT
* AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. SINCE 3 PM...DOPPLER RADAR HAS INDICATED THAT 3 TO
5 INCHES OF RAIN HAS FALLEN FROM HAMPTON TOWARD WELCH. MORE HEAVY
RAIN CONTINUES TO APPROACH THE WARNED AREA...WITH ANOTHER 1 TO 2
INCHES OF RAIN LIKELY THROUGH 8 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...RED
WING AND CANNON FALLS ALONG WITH RAVINES ALONG THE CANNON RIVER
FROM CANNON FALLS TO RED WING.
DAKOTA COUNTY HAS CLOSED ORLANDO AVENUE AND HAS ADVISED THE PARTS OF
IT ARE BEGINNING TO WASH OUT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...NEVER DRIVE ACROSS FLOODED ROADWAYS...TURN AROUND...DON'T
DROWN.
&&
LAT...LON 4454 9315 4468 9295 4464 9261 4462 9263
4461 9260 4459 9258 4445 9265
$$2 follow-up statements
025
WGUS73 KMPX 180209
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
909 PM CDT SUN AUG 17 2014
MNC037-049-180400-
/O.CON.KMPX.FF.W.0018.000000T0000Z-140818T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAKOTA MN-GOODHUE MN-
909 PM CDT SUN AUG 17 2014
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN GOODHUE AND
SOUTHERN DAKOTA COUNTIES UNTIL 1100 PM CDT...
AT 901 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT
FLOODING WAS OCCURRING SOUTH OF MIESVILLE...OR NORTHEAST OF CANNON
FALLS. SOME INTERSECTIONS REMAIN UNDER WATER. GOODHUE COUNTY ROAD 20
REMAINS CLOSED.
RAINFALL AMOUNTS OF OVER 6 INCHES HAVE BEEN REPORTED IN THE AREA.
THE RAINFALL HAS MOSTLY SUBSIDED WITH ONLY MINOR ADDITIONAL
AMOUNTS EXPECTED TONIGHT. HOWEVER...SOME ROADS IN THE AREA REMAIN
FLOODED AT THIS TIME FROM THE EARLIER HEAVY RAIN AND THE WARNING
WILL REMAIN IN EFFECT UNTIL THE FLOOD WATERS RECEDE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 4454 9315 4468 9295 4464 9261 4462 9263
4461 9260 4459 9258 4445 9265
$$
SPD594
WGUS73 KMPX 180358
FFSMPX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1058 PM CDT SUN AUG 17 2014
MNC037-049-180411-
/O.EXP.KMPX.FF.W.0018.000000T0000Z-140818T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAKOTA MN-GOODHUE MN-
1058 PM CDT SUN AUG 17 2014
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHWESTERN
GOODHUE AND SOUTHERN DAKOTA COUNTIES WILL BE ALLOWED TO EXPIRE AT
1100 PM CDT...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. A
FEW ROADS WILL REMAIN CLOSED OVERNIGHT...SO DO NOT DRIVE AROUND
BARRICADES. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR
LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 4454 9315 4468 9295 4464 9261 4462 9263
4461 9260 4459 9258 4445 9265
$$
JRBThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 7:26 AM CDT | Special Weather Statement | MPX | Pope | 64 min |
| Aug 17, 9:27 AM CDT | Special Weather Statement | MPX | Chippewa | 3 hr |
| Aug 17, 5:01 PM CDT | Special Weather Statement | MPX | Hennepin | 59 min |
| Aug 17, 6:23 PM CDT | Special Weather Statement | MPX | Dakota | 112 min |
Nearby
Flash Flood Warnings in Minnesota, 2014Every flash flood warning in 2014
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.