Alert archive / Minnesota / Flash Flood Warnings in 2007

Flash Flood Warning 8, NWS Twin Cities, MN

June 2, 2007Sibley County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 2, 2007, 3:11 PM CDT for Sibley County, Minnesota. It was in force for 94 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 2, 2007, 3:11 PM CDT (20:11 UTC)
Expired
Jun 2, 2007, 4:45 PM CDT
In force
94 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Sibley County, MN

The radar

The Minneapolis radar (KMPX), 61 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 58 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2007-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2007-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KMPX 022012
FFWMPX
MNC143-022145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
311 PM CDT SAT JUN 2 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SIBLEY COUNTY IN CENTRAL MINNESOTA...

* UNTIL 445 PM CDT

* AT 311 PM CDT...RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY
  RAIN ACROSS MUCH OF THE WARNED AREA. THE STORMS PRODUCING THE
  HEAVIEST RAIN WERE 4 MILES SOUTHWEST OF GAYLORD...OR ABOUT 17 MILES
  NORTHEAST OF NEW ULM. THESE STORMS WERE MOVING TO THE NORTH AT     
  ABOUT 10 MPH. ESTIMATES FROM RADAR INDICATED THAT NEARLY 3 INCHES  
  OF RAIN HAS FALLEN DURING THE PAST HOUR OVER THE WARNED AREA.      
  EXPECT ADDITIONAL THUNDERSTORMS TO REDEVELOP AND PASS OVER THE     
  WARNED AREA...RESULTING IN EXCESSIVE RAINFALL.

* SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...WINTHROP AND         
  GAYLORD...INCLUDING COUNTY ROAD 10.

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 4447 9441 4446 9417 4463 9415 4463 9441

$$

KAT
1 follow-up statement
000 
WGUS73 KMPX 022142
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
442 PM CDT SAT JUN 2 2007

MNC143-022152-
SIBLEY MN-
442 PM CDT SAT JUN 2 2007

...THE FLASH FLOOD WARNING FOR SIBLEY COUNTY HAS EXPIRED...
WATER LEVELS HAVE RECEDED IN THE WARNED AREA. THEREFORE...THE FLASH
FLOOD WARNING FOR SIBLEY COUNTY HAS EXPIRED.

A STORM SPOTTER NEAR GAYLORD REPORTED CONSIDERABLE OVERLAND FLOODING 
IN RURAL AREAS...AS WELL AS STREAMS AND DRAINAGE DITCHES OVERFLOWING.

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4447 9441 4446 9417 4463 9415 4463 9441

$$

KAT

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 1:47 PM CDTTornado WarningMPXMcLeod, Sibley43 min
Jun 2, 2:16 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey, Washington44 min
Jun 2, 2:28 PM CDTSevere Thunderstorm WarningMPXSibley47 min
Jun 2, 2:49 PM CDTSevere Thunderstorm WarningMPXAnoka41 min
Jun 2, 2:58 PM CDTSevere Thunderstorm WarningMPXMeeker47 min
Jun 2, 3:45 PM CDTSevere Thunderstorm WarningMPXStearns, Wright30 min
Jun 2, 3:49 PM CDTSevere Thunderstorm WarningMPXDakota26 min
Jun 2, 4:13 PM CDTSevere Thunderstorm WarningMPXRenville32 min
Jun 2, 4:14 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey45 min
Jun 2, 4:51 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright54 min
Jun 2, 5:08 PM CDTSevere Thunderstorm WarningMPXHennepin39 min
Jun 2, 6:07 PM CDTSevere Thunderstorm WarningMPXMorrison23 min

Nearby

Flash Flood Warnings in Minnesota, 2007Every flash flood warning 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.