Alert archive / Minnesota / Flash Flood Watches in 2007
Flash Flood Watch 9, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood watch at Oct 17, 2007, 2:21 PM CDT for 28 counties in Minnesota; 9 counties in Wisconsin. It took effect at Oct 17, 2007, 7:00 PM CDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Oct 17, 2007, 2:21 PM CDT (19:21 UTC)
- In effect from
- Oct 17, 2007, 7:00 PM CDT
- Expired
- Oct 18, 2007, 4:42 AM CDT
- In force
- 10 hr
- Issued by
- NWS Twin Cities, MN
- Flood severity
- None
All 37 counties
Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Mille Lacs County, MN, Nicollet County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Steele County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 27 km from the middle of the area, began a volume at 19:22 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, 7.4 hours before the alert went out and 30 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 580 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS63 KMPX 171921 FFAMPX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 221 PM CDT WED OCT 17 2007 ...FLASH FLOOD WATCH TONIGHT FOR MUCH OF EAST CENTRAL AND SOUTHERN CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN... .HEAVY RAIN PRODUCING THUNDERSTORMS ARE EXPECTED TO LIFT NORTH ACROSS IOWA THIS EVENING AND OVER EASTERN MINNESOTA AND WESTERN WISCONSIN OVERNIGHT. RAINFALL AMOUNTS OF 1 TO 1.5 INCHES ARE LIKELY MAINLY EAST OF A LINE FROM NEAR CAMBRIDGE...THE TWIN CITIES AND MANKATO DURING THIS PERIOD. THE GROUND REMAINS SATURATED ACROSS MUCH OF THE AREA FROM RECENT RAINS. ANY ADDITIONAL RAIN WILL RUNOFF QUICKLY INTO ROADSIDE DITCHES...STREAMS AND RIVERS CAUSING RAPID RISES. URBAN AREAS WILL BE ESPECIALLY VULNERABLE TO FLOODING BECAUSE OF FALLEN LEAVES AND CLOGGED STORM WATER DRAINS. THE HEAVY RAIN SHOULD LIFT NORTH INTO NORTHERN MINNESOTA EARLY THURSDAY MORNING. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. NEVER DRIVE YOUR VEHICLE THROUGH WATER IN WHICH YOU ARE UNSURE OF THE DEPTH. A DEEP AREA OF LOW PRESSURE WILL LIFT SLOWLY NORTHEAST ACROSS NEBRASKA INTO NORTHWEST IOWA BY THURSDAY MORNING. A SURGE OF MOIST AND UNSTABLE AIR WILL LIFT INTO SOUTHEAST MINNESOTA THIS EVENING GENERATING THE FLOOD THREAT. MNZ044-045-050>053-059>063-066>070-074>078-082>085-091>093- WIZ014>016-023>028-180330- /O.NEW.KMPX.FF.A.0009.071018T0000Z-071018T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MILLE LACS-KANABEC-BENTON-SHERBURNE-ISANTI-CHISAGO-WRIGHT- HENNEPIN-ANOKA-RAMSEY-WASHINGTON-MCLEOD-SIBLEY-CARVER-SCOTT- DAKOTA-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH- WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK- ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...PRINCETON...MORA...FOLEY...ELK RIVER... CAMBRIDGE...CENTER CITY...MONTICELLO...MINNEAPOLIS...BLAINE... ST. PAUL...STILLWATER...HUTCHINSON...GAYLORD...CHASKA... SHAKOPEE...BURNSVILLE...NEW ULM...ST. PETER...LE SUEUR... FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA... FAIRMONT...BLUE EARTH...ALBERT LEA...AMERY...BALSAM LAKE... RICE LAKE...BARRON...LADYSMITH...HUDSON...NEW RICHMOND... RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE...DURAND... PEPIN...CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 221 PM CDT WED OCT 17 2007 ...FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH THURSDAY MORNING... THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF MINNESOTA AND WISCONSIN... INCLUDING THE FOLLOWING AREAS...IN MINNESOTA...ANOKA... BENTON...BLUE EARTH...BROWN...CARVER...CHISAGO...DAKOTA... FARIBAULT...FREEBORN...GOODHUE...HENNEPIN...ISANTI...KANABEC... LE SUEUR...MARTIN...MCLEOD...MILLE LACS...NICOLLET...RAMSEY... RICE...SCOTT...SHERBURNE...SIBLEY...STEELE...WASECA... WASHINGTON...WATONWAN AND WRIGHT. IN WISCONSIN...BARRON... CHIPPEWA...DUNN...EAU CLAIRE...PEPIN...PIERCE...POLK...RUSK AND ST. CROIX. * FROM 7 PM CDT THIS EVENING THROUGH THURSDAY MORNING * HEAVY RAIN PRODUCING THUNDERSTORMS ARE EXPECTED TO MOVE INTO EASTERN MINNESOTA AND WESTERN WISCONSIN OVERNIGHT. RAINFALL AMOUNTS OF 1 TO 1.5 INCHES ARE LIKELY ACROSS MUCH OF THE AREA THROUGH 7 AM THURSDAY. AREA SOILS ARE SATURATED FROM RECENT RAINS AND ANY ADDITIONAL RAINFALL WILL RUNOFF QUICKLY. * SMALL CREEKS...STREAMS...AND RIVERS MAY RISE QUICKLY. URBAN AREAS WILL BE ESPECIALLY VULNERABLE TO FLASH FLOODING AS THE STORMS MOVE THROUGH. THE COMBINATION OF HEAVY RAIN AND STORM DRAINS CLOGGED WITH FALLEN LEAVES WILL GENERATE FLOODED ROADWAYS QUICKLY AS WELL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. NEVER DRIVE YOUR VEHICLE THROUGH WATER IN WHICH YOU ARE UNSURE OF THE DEPTH. $$ DWE
2 follow-up statements
000 WGUS63 KMPX 180300 FFAMPX FLOOD WATCH NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1000 PM CDT WED OCT 17 2007 ...FLASH FLOOD WATCH REMAINS IN EFFECT TONIGHT FOR EAST CENTRAL AND SOUTH CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN... .LIGHT RAIN COVERED MUCH OF EAST CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN LATE THIS EVENING. THE RAIN WILL CONTINUE TO INCREASE IN COVERAGE OVERNIGHT AND FILL IN ACROSS SOUTH CENTRAL MINNESOTA. PERIODS OF HEAVY RAIN ARE STILL EXPECTED DURING THE OVERNIGHT HOURS WITH RAINFALL AMOUNTS AROUND AN INCH BY DAYBREAK THURSDAY. AREAS THAT EXPERIENCE THUNDERSTORMS OVERNIGHT COULD SEE RAINFALL TOTALS APPROACH 1.5 INCHES. THE GROUND REMAINS SATURATED ACROSS MUCH OF THE AREA FROM RECENT RAINS. ANY ADDITIONAL RAIN WILL RUNOFF QUICKLY INTO ROADSIDE DITCHES...STREAMS AND RIVERS CAUSING RAPID RISES. URBAN AREAS WILL BE ESPECIALLY VULNERABLE TO FLOODING BECAUSE OF FALLEN LEAVES AND CLOGGED STORM DRAINS. THE HEAVY RAIN SHOULD LIFT NORTH INTO NORTHERN MINNESOTA THURSDAY MORNING. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. NEVER DRIVE YOUR VEHICLE THROUGH WATER IN WHICH YOU ARE UNSURE OF THE DEPTH. THE RAIN IS IN RESPONSE TO A STRENGTHENING AREA OF LOW PRESSURE OVER KANSAS AND NEBRASKA. THE LOW PRESSURE SYSTEM WILL LIFT SLOWLY NORTHEAST INTO SOUTHERN MINNESOTA BY THURSDAY MORNING. MNZ044-045-050>053-059>063-066>070-074>078-082>085-091>093- WIZ014>016-023>028-181100- /O.CON.KMPX.FF.A.0009.000000T0000Z-071018T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MILLE LACS-KANABEC-BENTON-SHERBURNE-ISANTI-CHISAGO-WRIGHT- HENNEPIN-ANOKA-RAMSEY-WASHINGTON-MCLEOD-SIBLEY-CARVER-SCOTT- DAKOTA-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH- WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK- ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...PRINCETON...MORA...FOLEY...ELK RIVER... CAMBRIDGE...CENTER CITY...MONTICELLO...MINNEAPOLIS...BLAINE... ST. PAUL...STILLWATER...HUTCHINSON...GAYLORD...CHASKA... SHAKOPEE...BURNSVILLE...NEW ULM...ST. PETER...LE SUEUR... FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA... FAIRMONT...BLUE EARTH...ALBERT LEA...AMERY...BALSAM LAKE... RICE LAKE...BARRON...LADYSMITH...HUDSON...NEW RICHMOND... RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE...DURAND... PEPIN...CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 1000 PM CDT WED OCT 17 2007 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF MINNESOTA AND WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN MINNESOTA...ANOKA...BENTON...BLUE EARTH...BROWN... CARVER...CHISAGO...DAKOTA...FARIBAULT...FREEBORN...GOODHUE... HENNEPIN...ISANTI...KANABEC...LE SUEUR...MARTIN...MCLEOD... MILLE LACS...NICOLLET...RAMSEY...RICE...SCOTT...SHERBURNE... SIBLEY...STEELE...WASECA...WASHINGTON...WATONWAN AND WRIGHT. IN WISCONSIN...BARRON...CHIPPEWA...DUNN...EAU CLAIRE...PEPIN... PIERCE...POLK...RUSK AND ST. CROIX. * UNTIL 7 AM CDT THURSDAY * PERIODS OF HEAVY RAIN ARE EXPECTED TO DEVELOP EASTERN MINNESOTA AND WESTERN WISCONSIN OVERNIGHT. RAINFALL AMOUNTS OF 1 TO 1.5 INCHES ARE LIKELY ACROSS MUCH OF THE AREA THROUGH 7 AM THURSDAY. AREA SOILS ARE SATURATED FROM RECENT RAINS AND ANY ADDITIONAL RAINFALL WILL RUNOFF QUICKLY. * SMALL CREEKS...STREAMS...AND RIVERS MAY RISE QUICKLY. URBAN AREAS WILL BE ESPECIALLY VULNERABLE TO FLASH FLOODING AS THE STORMS MOVE THROUGH. THE COMBINATION OF HEAVY RAIN AND STORM DRAINS CLOGGED WITH FALLEN LEAVES WILL GENERATE FLOODED ROADWAYS QUICKLY AS WELL. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. NEVER DRIVE YOUR VEHICLE THROUGH WATER IN WHICH YOU ARE UNSURE OF THE DEPTH. $$ RAH
000 WGUS63 KMPX 180942 FFAMPX FLOOD WATCH NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 442 AM CDT THU OCT 18 2007 ...FLASH FLOOD WATCH CANCELLED FOR EAST CENTRAL AND SOUTH CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN... .THE THREAT OF HEAVY RAIN OVER EAST CENTRAL AND SOUTH CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN HAS LESSEN. SOME MODERATE RAINS ALONG WITH A FEW THUNDERSTORMS WILL STILL OCCUR TODAY. RAINFALL AMOUNTS THROUGH FRIDAY MORNING SHOULD REMAIN UNDER AN INCH. RUNOFF FROM ANY ADDITIONAL RAINFALL THROUGH FRIDAY...WILL ONLY CAUSE SOME MINOR RISES ON STREAMS AND RIVERS OVER SOUTHEAST MINNESOTA AND WESTERN WISCONSIN. MNZ044-045-050>053-059>063-066>070-074>078-082>085-091>093- WIZ014>016-023>028-181045- /O.CAN.KMPX.FF.A.0009.000000T0000Z-071018T1200Z/ /00000.0.OT.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MILLE LACS-KANABEC-BENTON-SHERBURNE-ISANTI-CHISAGO-WRIGHT- HENNEPIN-ANOKA-RAMSEY-WASHINGTON-MCLEOD-SIBLEY-CARVER-SCOTT- DAKOTA-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH- WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK- ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE- INCLUDING THE CITIES OF...PRINCETON...MORA...FOLEY...ELK RIVER... CAMBRIDGE...CENTER CITY...MONTICELLO...MINNEAPOLIS...BLAINE... ST. PAUL...STILLWATER...HUTCHINSON...GAYLORD...CHASKA... SHAKOPEE...BURNSVILLE...NEW ULM...ST. PETER...LE SUEUR... FARIBAULT...RED WING...ST. JAMES...MANKATO...WASECA...OWATONNA... FAIRMONT...BLUE EARTH...ALBERT LEA...AMERY...BALSAM LAKE... RICE LAKE...BARRON...LADYSMITH...HUDSON...NEW RICHMOND... RIVER FALLS...PRESCOTT...MENOMONIE...BOYCEVILLE...DURAND... PEPIN...CHIPPEWA FALLS...BLOOMER...EAU CLAIRE...ALTOONA 442 AM CDT THU OCT 18 2007 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTH CENTRAL AND EAST CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN HAS BEEN CANCELLED. RAINFALL AMOUNTS OVERNIGHT HAVE BEEN LIGHT...GENERALLY UNDER ONE QUARTER OF AN INCH. AN AREA OF MODERATE RAIN AND ISOLATED THUNDERSTORMS WERE ADVANCE NORTH OVER INTO SOUTHEAST MINNESOTA AND SOUTHWEST WISCONSIN. RAINFALL AMOUNTS THROUGH THE BALANCE OF THE MORNING SHOULD REMAIN UNDER AN INCH. $$
Nearby
Flash Flood Watches in Minnesota, 2007Flash Flood Watches in Wisconsin, 2007Every flash flood watch in 2007
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.