Alert archive / Minnesota / Flash Flood Warnings in 2016
Flash Flood Warning 16, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Aug 10, 2016, 7:53 PM CDT for 4 counties in Minnesota. It was in force for 3 hr. 9 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 10, 2016, 7:53 PM CDT (00:53 UTC)
- Expired
- Aug 10, 2016, 10:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Carver County, MN, Hennepin County, MN, McLeod County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 39 km from the middle of the area, began a volume at 00:53 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 10, 8:06 PM CDT | FLASH FLOOD | 1 S Hutchinson, MN | SPOTTER REPORTS POLICE BLOCKING INTERSECTION OF HWY 15 AND GRADE RD. ABOUT 9 INCHES OF WATER ACROSS THE ROAD. |
| Aug 10, 8:25 PM CDT | HEAVY RAIN 1.35 | 1 S St. Michael, MN | . THE DURATION OF THE HEAVY RAIN EVENT WAS 1 HOUR. |
| Aug 10, 8:30 PM CDT | HEAVY RAIN 2.12 | 1 Ne Maple Lake, MN | . THE DURATION OF THE HEAVY RAIN EVENT WAS 1 HOUR. |
| Aug 10, 8:34 PM CDT | HEAVY RAIN 2.84 | 1 Sw Waconia, MN | MESONET STATION WACONIA 1 WSW /WCNCL/. THE DURATION OF THE HEAVY RAIN EVENT WAS 1 HOUR. |
| Aug 10, 8:40 PM CDT | HEAVY RAIN 2 | 1 Ene Maple Plain, MN | . THE DURATION OF THE HEAVY RAIN EVENT WAS 1 HOUR. |
| Aug 10, 8:44 PM CDT | HEAVY RAIN 2.12 | 1 Sw Waconia, MN | MESONET STATION WACONIA 1 WSW /WCNCL/. |
| Aug 10, 8:44 PM CDT | HEAVY RAIN 2.12 | 1 Sw Waconia, MN | MESONET STATION WACONIA 1 WSW /WCNCL/. THE DURATION OF THE HEAVY RAIN EVENT WAS 1 HOUR. |
| Aug 10, 9:08 PM CDT | HEAVY RAIN 1.04 | Long Lake, MN | . THE DURATION OF THE HEAVY RAIN EVENT WAS 1 HOUR. |
| Aug 10, 10:00 PM CDT | HEAVY RAIN 3.2 | 4 N Hutchinson, MN | . THE DURATION OF THE HEAVY RAIN EVENT WAS 3 HOURS. |
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, 0.9 hours before the alert went out and 37 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
- 2446 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1020 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 9.6
The text
As transmitted.
651
WGUS53 KMPX 110053
FFWMPX
MNC019-053-085-171-110345-
/O.NEW.KMPX.FF.W.0016.160811T0053Z-160811T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
753 PM CDT WED AUG 10 2016
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MCLEOD COUNTY IN CENTRAL MINNESOTA...
NORTHERN CARVER COUNTY IN EAST CENTRAL MINNESOTA...
WESTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
WRIGHT COUNTY IN CENTRAL MINNESOTA...
* UNTIL 1045 PM CDT
* AT 750 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. THESE STORMS HAVE HAD A HISTORY
OF PRODUCING 2 TO 4 INCHES OF RAIN IN LESS THAN 90 MINUTES. FLASH
FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BUFFALO...HUTCHINSON...PLYMOUTH...MAPLE GROVE...EDEN PRAIRIE...
MINNETONKA...CHASKA...ELK RIVER...CHANHASSEN...ST. MICHAEL...
OTSEGO AND MONTICELLO.
TOTAL RAINFALL AMOUNTS OF 3 TO 6 INCHES ARE EXPECTED WITHIN 2 TO 3
HOURS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 4527 9355 4523 9350 4484 9351 4478 9450
4498 9450 4499 9426 4526 9426 4529 9355
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 7:03 PM CDT | Flash Flood Warning | MPX | Kandiyohi, Meeker | 3 hr |
| Aug 10, 7:18 PM CDT | Special Weather Statement | MPX | Chippewa, Swift | 42 min |
| Aug 10, 7:37 PM CDT | Special Weather Statement | MPX | Hennepin, Ramsey, Washington | 83 min |
| Aug 10, 8:08 PM CDT | Flash Flood Warning | MPX | Anoka, Hennepin, Ramsey, Washington | 3 hr |
| Aug 10, 8:11 PM CDT | Flash Flood Warning | MPX | Kandiyohi, Meeker, Renville | 3 hr |
| Aug 10, 8:44 PM CDT | Flash Flood Warning | MPX | Carver, Dakota, Hennepin, Scott, Washington | 3 hr |
| Aug 10, 10:11 PM CDT | Areal Flood Warning | MPX | Kandiyohi | 12 hr |
| Aug 10, 11:05 PM CDT | Special Weather Statement | MPX | Nicollet, Redwood, Sibley | 85 min |
| Aug 11, 12:40 AM CDT | Special Weather Statement | MPX | Chippewa, Lac qui Parle, Renville, Yellow Medicine | 65 min |
| Aug 11, 12:49 AM CDT | Special Weather Statement | MPX | Blue Earth, Brown, Steele, Waseca, Watonwan | 41 min |
| Aug 11, 1:03 AM CDT | Special Weather Statement | MPX | Douglas, Pope, Stevens, Todd | 57 min |
| Aug 11, 1:53 AM CDT | Special Weather Statement | MPX | Chippewa, Yellow Medicine | 52 min |
| Aug 11, 2:07 AM CDT | Flash Flood Warning | MPX | Chippewa, Lac qui Parle, Renville, Yellow Medicine | 4 hr |
| Aug 11, 2:28 AM CDT | Special Weather Statement | MPX | Blue Earth, Brown, Steele, Waseca, Watonwan | 47 min |
| Aug 11, 2:42 AM CDT | Special Weather Statement | MPX | Brown, Redwood, Renville | 63 min |
| Aug 11, 3:03 AM CDT | Areal Flood Warning | MPX | Douglas, Pope, Stevens | 110 min |
| Aug 11, 3:31 AM CDT | Special Weather Statement | MPX | Blue Earth, Brown, Martin, Nicollet, Sibley, Watonwan | 59 min |
| Aug 11, 4:25 AM CDT | Special Weather Statement | MPX | Faribault, Freeborn, Le Sueur, Rice, Steele, Waseca | 65 min |
| Aug 11, 5:41 AM CDT | Special Weather Statement | MPX | Goodhue | 64 min |
| Aug 11, 3:18 PM CDT | River Flood Warning | MPX | Goodhue | 43 hr |
Nearby
Flash Flood Warnings in Minnesota, 2016Every flash flood warning in 2016
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.