Alert archive / Minnesota / Flash Flood Warnings in 2016

Flash Flood Warning 7, NWS Twin Cities, MN

July 5, 2016Anoka County, Hennepin County, Ramsey County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 5, 2016, 7:16 PM CDT for Anoka County, Hennepin County, Ramsey County, Minnesota. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 5, 2016, 7:16 PM CDT (00:16 UTC)
Expired: Jul 5, 2016, 11:15 PM CDT
In force: 4 hr
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Flood severity: None

Counties Anoka County, MN, Hennepin County, MN, Ramsey County, MN

The radar

The Minneapolis radar (KMPX), 39 km from the middle of the area, began a volume at 00:20 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

International Fa, MN (KINL), launched 00:00Z, 0.3 hours before the alert went out and 396 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1556 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

083 
WGUS53 KMPX 060016
FFWMPX
MNC003-053-123-060415-
/O.NEW.KMPX.FF.W.0007.160706T0016Z-160706T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
716 PM CDT TUE JUL 5 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTH CENTRAL ANOKA COUNTY IN EAST CENTRAL MINNESOTA...
  RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 1115 PM CDT

* AT 715 PM CDT...DOPPLER RADAR INDICATED MORE SHOWERS AND
  THUNDERSTORMS PRODUCING HEAVY RAIN ARE HEADED INTO THE WARNED
  AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN. FLASH
  FLOODING IS EXPECTED TO WORSEN WITH ADDITIONAL RAINFALL MOVING IN.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4509 9299 4494 9298 4491 9299 4490 9299
      4500 9352 4515 9343

$$

BORGHOFF

1 follow-up statement

159 
WGUS73 KMPX 060232
FFSMPX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
932 PM CDT TUE JUL 5 2016

MNC003-053-123-060241-
/O.CAN.KMPX.FF.W.0007.000000T0000Z-160706T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HENNEPIN MN-ANOKA MN-RAMSEY MN-
932 PM CDT TUE JUL 5 2016

...THE FLASH FLOOD WARNING FOR NORTHEASTERN HENNEPIN...SOUTH CENTRAL
ANOKA AND RAMSEY COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING WILL CONTINUE TO RECEDE.
PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 4509 9299 4494 9298 4491 9299 4490 9299
      4500 9352 4515 9343

$$

SCHMIDT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 7:20 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Rice, Scott	55 min
Jul 5, 7:24 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Dakota, Hennepin, Ramsey, Scott	29 min
Jul 5, 7:32 PM CDT	Special Weather Statement	MPX	Brown, Carver, Dakota, Le Sueur, Nicollet, Rice and 2 more	118 min
Jul 5, 7:41 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue	64 min
Jul 5, 7:56 PM CDT	Severe Thunderstorm Warning	MPX	Steele, Waseca	64 min
Jul 5, 8:29 PM CDT	Special Weather Statement	MPX	Goodhue	3 hr

Nearby

Flash Flood Warnings in Minnesota, 2016 Every flash flood warning 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.