Alert archive / Minnesota / Flash Flood Watches in 2016

Flash Flood Watch 3, NWS Twin Cities, MN

July 16, 201610 counties in Minnesota

NWS Twin Cities, MN issued this flash flood watch at Jul 16, 2016, 9:53 PM CDT for 10 counties in Minnesota. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 16, 2016, 9:53 PM CDT (02:53 UTC)
Expired
Jul 17, 2016, 4:20 AM CDT
In force
6 hr
Issued by
NWS Twin Cities, MN
Flood severity
None

Counties Blue Earth County, MN, Brown County, MN, Faribault County, MN, Freeborn County, MN, Martin County, MN, Nicollet County, MN, Redwood County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 105 km from the middle of the area, began a volume at 02:53 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, 2.9 hours before the alert went out and 104 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 2016-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 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 2016-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
4 J/kg
Mixed-layer CIN
-246 J/kg
Mixed-layer LCL
1397 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

145 
WGUS63 KMPX 170253
FFAMPX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
953 PM CDT SAT JUL 16 2016

...HEAVY RAINFALL EXPECTED TONIGHT IN SOUTH CENTRAL MINNESOTA...

.TRAINING OF THUNDERSTORMS WITH TORRENTIAL RAINFALL IS EXPECTED
ACROSS SOUTH CENTRAL MINNESOTA TONIGHT. RAINFALL AMOUNTS OF 4 TO 6
INCHES WILL BE POSSIBLE IN AS LITTLE AS 4 HOURS...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE AS WELL. THE FLASH FLOOD THREAT WILL BE GREATEST
ALONG AND SOUTH OF A LINE FROM REDWOOD FALLS...TO ST. PETER AND
OWATONNA...WHERE A FLASH FLOOD WATCH HAS BEEN ISSUED UNTIL 7 AM
SUNDAY MORNING.

MNZ073>075-082>085-091>093-171100-
/O.NEW.KMPX.FF.A.0003.160717T0253Z-160717T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
REDWOOD-BROWN-NICOLLET-WATONWAN-BLUE EARTH-WASECA-STEELE-MARTIN-
FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST PETER...
ST JAMES...MANKATO...WASECA...OWATONNA...FAIRMONT...BLUE EARTH...
ALBERT LEA
953 PM CDT SAT JUL 16 2016

...FLASH FLOOD WATCH IN EFFECT UNTIL 7 AM CDT SUNDAY...

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

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

* UNTIL 7 AM CDT SUNDAY

* HEAVY RAINFALL WITH 4 TO 6 INCHES OF RAIN POSSIBLE WITH LOCALLY
  HIGHER AMOUNTS IN AS LITTLE AS 4 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
2 follow-up statements
503 
WGUS63 KMPX 170828
FFAMPX

FLOOD WATCH
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
328 AM CDT SUN JUL 17 2016

...HEAVY RAINFALL BEGINNING TO TAPER OFF...

.THE HEAVIEST THUNDERSTORM ACTIVITY HAS PUSHED SOUTH INTO IOWA.
MODERATE RAIN CONTINUES EAST OF FAIRMONT AND MANKATO...BUT HAS
ENDED TO THE WEST. THE FLASH FLOOD WATCH HAS BEEN CANCELLED WHERE
THE RAIN HAS ENDED.

MNZ073>075-082-170930-
/O.CAN.KMPX.FF.A.0003.000000T0000Z-160717T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
REDWOOD-BROWN-NICOLLET-WATONWAN-
INCLUDING THE CITIES OF...REDWOOD FALLS...NEW ULM...ST PETER...
ST JAMES
328 AM CDT SUN JUL 17 2016

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTH CENTRAL MINNESOTA AND
SOUTHWEST MINNESOTA HAS BEEN CANCELLED. 

$$

MNZ083>085-091>093-171200-
/O.CON.KMPX.FF.A.0003.000000T0000Z-160717T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...MANKATO...WASECA...OWATONNA...
FAIRMONT...BLUE EARTH...ALBERT LEA
328 AM CDT SUN JUL 17 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF SOUTH CENTRAL MINNESOTA...INCLUDING THE FOLLOWING 
  AREAS...BLUE EARTH...FARIBAULT...FREEBORN...MARTIN...STEELE 
  AND WASECA. 

* UNTIL 7 AM CDT THIS MORNING.

* TOTAL RAINFALL AMOUNTS OF 4 TO 7 INCHES. FAIRMONT HAS HAD JUST
  OVER 6 INCHES AS OF 315 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

BORGHOFF
357 
WGUS63 KMPX 170920
FFAMPX

FLOOD WATCH
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
420 AM CDT SUN JUL 17 2016

...HEAVY RAIN HAS ENDED...

.THE HEAVY RAIN HAS PUSHED SOUTHEAST AND ADDITIONAL FLOODING IS
NOT EXPECTED. THEREFORE...THE FLASH FLOOD WATCH HAS BEEN CANCELLED.

MNZ083>085-091>093-171030-
/O.CAN.KMPX.FF.A.0003.000000T0000Z-160717T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BLUE EARTH-WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-
INCLUDING THE CITIES OF...MANKATO...WASECA...OWATONNA...
FAIRMONT...BLUE EARTH...ALBERT LEA
420 AM CDT SUN JUL 17 2016

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR A PORTION OF SOUTH CENTRAL MINNESOTA
HAS BEEN CANCELLED. 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 7:03 PM CDTSevere Thunderstorm WarningMPXLac qui Parle42 min
Jul 16, 7:31 PM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Renville, Yellow Medicine59 min
Jul 16, 8:04 PM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Redwood, Renville, Yellow Medicine71 min
Jul 16, 8:35 PM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker, Renville, Sibley55 min
Jul 16, 9:12 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood63 min
Jul 16, 9:30 PM CDTSevere Thunderstorm WarningMPXMcLeod, Nicollet, Renville, Sibley60 min
Jul 16, 9:38 PM CDTSevere Thunderstorm WarningMPXStevens28 min
Jul 16, 10:03 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood57 min
Jul 16, 10:16 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Watonwan44 min
Jul 16, 11:31 PM CDTFlash Flood WarningMPXBrown, Redwood, Watonwan4 hr
Jul 17, 12:00 AM CDTFlash Flood WarningMPXBlue Earth, Faribault, Freeborn, Martin5 hr

Nearby

Flash Flood Watches in Minnesota, 2016Every flash flood watch in 2016

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.