Alert archive / Minnesota / Flash Flood Warnings in 2011
Flash Flood Warning 9, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Jul 19, 2011, 9:01 AM CDT for Mille Lacs County, Morrison County, Minnesota. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2011, 9:01 AM CDT (14:01 UTC)
- Expired
- Jul 19, 2011, 2:00 PM CDT
- In force
- 5 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Mille Lacs County, MN, Morrison County, MN
The radar
The Minneapolis radar (KMPX), 132 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 2.0 hours before the alert went out and 131 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
- 5144 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 830 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
862
WGUS53 KMPX 191401
FFWMPX
MNC095-097-191900-
/O.NEW.KMPX.FF.W.0009.110719T1401Z-110719T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
901 AM CDT TUE JUL 19 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN MORRISON COUNTY IN CENTRAL MINNESOTA...
MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 200 PM CDT
* AT 855 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RAINFALL AMOUNTS OF 3.5 INCHES HAVE ALREADY OCCURRED
IN NORTHERN MORRISON COUNTY NEAR HARDING.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LITTLE FALLS...BAYVIEW...BUCKMAN...GENOLA...HARDING...HILLMAN...
ISLE...LASTRUP...ONAMIA...PIERZ...VINELAND AND WAHKON.
SPECIFIC RIVERS AND CREEKS INCLUDE FLETCHER CREEK...PLATTE RIVER
THE SKUNK RIVER AND HILLMAN CREEK...IN NORTHERN AND EASTER
MORRISON COUNTY AND TIBBETTS BROOK AND THE RUM RIVER IN MILLE LACS
COUNTY.
RAINFALL RATES OF 1.5 TO 2 INCHES AN HOUR WILL CONTINUE INTO MILLE
LACS COUNTY THIS MORNING. FLOODING IS LIKELY TO DEVELOP HERE
THROUGH THE MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 4625 9343 4600 9345 4598 9353 4574 9352
4580 9376 4582 9377 4582 9384 4595 9437
4616 9436 4616 9383 4618 9381 4624 9380
$$
DWE
--CTA_MARKER_NO--!The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 6:20 AM CDT | Special Weather Statement | MPX | Todd | 40 min |
| Jul 19, 6:48 AM CDT | Severe Thunderstorm Warning | MPX | Todd | 57 min |
| Jul 19, 7:43 AM CDT | Special Weather Statement | MPX | Morrison | 77 min |
| Jul 19, 7:46 AM CDT | Special Weather Statement | MPX | Todd | 29 min |
| Jul 19, 8:19 AM CDT | Areal Flood Advisory | MPX | Morrison | 3 hr |
| Jul 19, 8:26 AM CDT | Special Weather Statement | MPX | Kanabec, Mille Lacs | 79 min |
| Jul 19, 8:35 AM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs, Morrison | 55 min |
| Jul 19, 8:53 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Morrison | 82 min |
| Jul 19, 9:30 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs, Morrison | 42 min |
| Jul 19, 9:45 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Isanti, Kanabec, Mille Lacs, Sherburne | 60 min |
| Jul 19, 10:09 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Sherburne | 36 min |
| Jul 19, 10:40 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Ramsey | 80 min |
| Jul 19, 11:11 AM CDT | Areal Flood Advisory | MPX | Anoka, Dakota, Ramsey, Washington | 3 hr |
| Jul 19, 11:25 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Ramsey, Washington | 65 min |
Nearby
Flash Flood Warnings in Minnesota, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.