Alert archive / Minnesota / Flood Watches in 2007

Flood Watch 2, NWS Twin Cities, MN

May 6, 20079 counties in Minnesota

NWS Twin Cities, MN issued this flood watch at May 6, 2007, 6:29 AM CDT for 9 counties in Minnesota. It took effect at May 6, 2007, 7:00 AM CDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 6, 2007, 6:29 AM CDT (11:29 UTC)
In effect from
May 6, 2007, 7:00 AM CDT
Expired
May 6, 2007, 11:48 AM CDT
In force
5 hr
Issued by
NWS Twin Cities, MN
Flood severity
None

Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Martin County, MN, Nicollet County, MN, Redwood County, MN, Renville County, MN, Sibley County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 105 km from the middle of the area, began a volume at 11:31 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 00:00Z, 11.5 hours before the alert went out and 103 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 00:00Z on 2007-05-06Temperature 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 00:00Z on 2007-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.193958Sfc1 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
1955 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
173 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 
WGUS63 KMPX 061129
FFAMPX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
629 AM CDT SUN MAY 6 2007

...FLOOD WATCH IN EFFECT FOR PORTIONS OF WEST CENTRAL AND SOUTH
CENTRAL MINNESOTA UNTIL SUNDAY EVENING...

.BANDS OF SHOWERS AND THUNDERSTORMS WILL AFFECT PORTIONS OF WEST
CENTRAL AND SOUTH CENTRAL MINNESOTA INTO THE AFTERNOON. ADDITIONAL
SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THIS EVENING. THE HEAVIEST
RAINFALL IS EXPECTED ALONG A LINE FROM NEAR MONTEVIDEO SOUTHEAST
TO FAIRMONT. 2 TO AS MUCH AS 5 INCHES OF RAIN IS POSSIBLE IN
THESE AREAS THROUGH THIS EVENING AND MAY POTENTIALLY CAUSE
FLOODING.

MNZ065-067-073>075-082-083-091-092-061930-
/O.NEW.KMPX.FA.A.0002.070506T1200Z-070507T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RENVILLE-SIBLEY-REDWOOD-BROWN-NICOLLET-WATONWAN-BLUE EARTH-MARTIN-
FARIBAULT-
INCLUDING THE CITIES OF...OLIVIA...GAYLORD...REDWOOD FALLS...
NEW ULM...ST. PETER...ST. JAMES...MANKATO...FAIRMONT...BLUE EARTH
629 AM CDT SUN MAY 6 2007

...FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A

* FLOOD WATCH FOR PORTIONS OF CENTRAL MINNESOTA...SOUTH CENTRAL 
  MINNESOTA AND SOUTHWEST MINNESOTA...INCLUDING THE FOLLOWING 
  AREAS...IN CENTRAL MINNESOTA...RENVILLE AND SIBLEY. IN SOUTH 
  CENTRAL MINNESOTA...BLUE EARTH...BROWN...FARIBAULT...MARTIN...
  NICOLLET AND WATONWAN. IN SOUTHWEST MINNESOTA...REDWOOD.

* THROUGH THIS EVENING

* SHOWERS AND THUNDERSTORMS WILL BRING PERIODS OF HEAVY RAIN
  THROUGH THE AFTERNOON...WITH ADDITIONAL RAINFALL POSSIBLE THIS EVENING.

* 2 TO AS MUCH AS 5 INCHES OF RAIN IS POSSIBLE...LEADING TO
  POTENTIAL FLOODING.

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

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.

$$

MDB/WET
1 follow-up statement
000 
WGUS63 KMPX 061648
FFAMPX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1148 AM CDT SUN MAY 6 2007

...FLOOD WATCH NOW IN EFFECT FOR TONIGHT...

.THE FLOOD WATCH FOR PORTIONS OF SOUTHWEST AND SOUTH CENTRAL
MINNESOTA...THAT WAS IN EFFECT FOR TODAY...HAS BEEN CANCELLED...
AS THE THREAT FOR HEAVY RAIN HAS ENDED FOR THE TIME BEING.
HOWEVER...HEAVY RAIN IS POSSIBLE TONIGHT FOR THE SAME
AREA...ROUGHLY ALONG AND SOUTHWEST OF A LINE...FROM OLIVIA THROUGH
MANKATO TO KIESTER...AS A LOW PRESSURE SYSTEM AND COLD FRONT
APPROACH FROM THE WEST. RAINFALL ACROSS THE AREA EARLY SUNDAY
MORNING WAS IN THE ONE TO TWO INCH RANGE. THERE COULD 2 TO 3
INCHES OF RAIN OCCUR TONIGHT...HENCE THE FLOOD WATCH.

MNZ065-067-073>075-082-083-091-092-070100-
/O.CAN.KMPX.FA.A.0002.000000T0000Z-070507T0000Z/
/O.NEW.KMPX.FA.A.0003.070507T0000Z-070507T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RENVILLE-SIBLEY-REDWOOD-BROWN-NICOLLET-WATONWAN-BLUE EARTH-MARTIN-
FARIBAULT-
INCLUDING THE CITIES OF...OLIVIA...GAYLORD...REDWOOD FALLS...
NEW ULM...ST. PETER...ST. JAMES...MANKATO...FAIRMONT...BLUE EARTH
1148 AM CDT SUN MAY 6 2007

...FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH
MONDAY MORNING...

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED
A

* FLOOD WATCH FOR PORTIONS OF CENTRAL MINNESOTA...SOUTH CENTRAL 
  MINNESOTA AND SOUTHWEST MINNESOTA...INCLUDING THE FOLLOWING 
  AREAS...IN CENTRAL MINNESOTA...RENVILLE AND SIBLEY. IN SOUTH 
  CENTRAL MINNESOTA...BLUE EARTH...BROWN...FARIBAULT...MARTIN...
  NICOLLET AND WATONWAN. IN SOUTHWEST MINNESOTA...REDWOOD.

* FROM 7 PM CDT THIS EVENING THROUGH MONDAY MORNING.

* SHOWERS AND THUNDERSTORMS TONIGHT COULD BRING 2 TO 3 INCHES OF
  RAIN TO THE AREA. THIS WOULD BE ON TOP OF THE ONE TO 2 INCHES OF
  RAIN THAT FELL EARLY SUNDAY MORNING...LEADING TO POTENTIAL
  FLOODING.

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

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.

$$

RAH

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 12:23 AM CDTWind AdvisoryMPXBlue Earth, Brown, Chippewa, Douglas, Faribault, Freeborn and 13 more4 hr
May 6, 4:10 AM CDTWind AdvisoryMPXBlue Earth, Brown, Faribault, Freeborn, Martin, Nicollet and 3 more5 hr
May 6, 8:40 AM CDTHigh Wind WarningMPXBlue Earth, Brown, Carver, Chippewa, Dakota, Douglas and 24 more4 hr
May 6, 11:48 AM CDTFlood WatchMPXBlue Earth, Brown, Faribault, Martin, Nicollet, Redwood and 3 more16 hr
May 6, 11:52 AM CDTWind AdvisoryMPXBlue Earth, Brown, Carver, Chippewa, Dakota, Douglas and 24 more8 hr

Nearby

Flood Watches in Minnesota, 2007Every 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.