Flash Flood Warning 31, NWS Twin Cities, MN

Issued

Sep 12, 2005, 9:47 PM CDT (02:47 UTC)

Expired

Sep 13, 2005, 12:45 AM CDT

In force

3 hr

Issued by

NWS Twin Cities, MN

Area

Counties, with a storm outline in the text

Counties Anoka County, MN, Isanti County, MN, Sherburne County, MN

The Minneapolis radar (KMPX), 70 km from the middle of the area, began a volume at 02:48 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

000 
WGUS53 KMPX 130249
FFWMPX
MNC003-059-141-130545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
947 PM CDT MON SEP 12 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ISANTI COUNTY IN EAST CENTRAL MINNESOTA
  ANOKA COUNTY IN EAST CENTRAL MINNESOTA
  SHERBURNE COUNTY IN CENTRAL MINNESOTA

* UNTIL 1245 AM CDT

* AT 947 PM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY
  RAIN ACROSS MUCH OF THE WARNED AREA. THE STORMS PRODUCING THE      
  HEAVIEST RAIN...NEAR TWO AND ONE HALF INCH PER HOUR...NEAR ELK     
  RIVER...OR ABOUT 16 MILES SOUTH OF PRINCETON. THESE STORMS         
  WERE MOVING TO THE NORTHEAST AT 25 MPH. TOTAL ACCUMLATIONS MAY     
  REACH 4 INCHES IN SOME AREAS. 

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ANDOVER...ANOKA...
  BETHEL...CAMBRIDGE...EAST BETHEL...HAM LAKE AND ISANTI.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
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 4555 9413 4536 9387 4531 9359 4520 9339
      4521 9303 4555 9303 4556 9314 4571 9315
      4572 9350 4555 9350

$$

000 
WGUS73 KMPX 130406
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1100 PM CDT MON SEP 12 2005

MNC003-059-141-130545-
ISANTI MN-SHERBURNE MN-ANOKA MN-
1100 PM CDT MON SEP 12 2005

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR
ANOKA...SHERBURNE AND ISANTI COUNTIES...

AT 1100 PM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED 
THUNDERSTORMS PRODUCING VERY HEAVY RAIN 8 MILES NORTHWEST OF EAST 
BETHEL...OR ABOUT 13 MILES SOUTHWEST OF CAMBRIDGE. RAINFALL RATES 
WITH THESE STORMS WAS AROUND 2 INCHES PER HOUR. THESE STORMS WERE 
MOVING NORTHEAST AT 25 MPH. 

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CAMBRIDGE AND EAST 
BETHEL AND ISANTI.

THE HEAVY RAIN WILL MOVE EAST OF THE AREA BETWEEN 1130 PM AND 
MIDNIGHT. FLOOD PROBLEMS WILL LINGER BEHIND THE HEAVY RAIN HOWEVER. 
DRAINAGE DITCHES AND SMALL STREAMS MAY CONTINUE TO CARRY RUNOFF. LOW 
LYING AREAS WILL LIKELY CONTINUE TO COLLECT PONDING WATER. DO NOT 
DRIVE AROUND BARRICADES PUT IN PLACE BY LAW ENFORCEMENT TO BLOCK 
UNSAFE ROADS. 

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE 
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND 
PICKUPS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO 
RECOGNIZE THE DANGERS OF FLOODS. 

LAT...LON 4555 9413 4536 9387 4531 9359 4520 9339
      4521 9303 4555 9303 4556 9314 4571 9315
      4572 9350 4555 9350

$$

Flash Flood Warnings in Minnesota, 2005Every flash flood warning in 2005

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.