Alert archive / Minnesota / Red Flag Warnings in 2016

Red Flag Warning 7, NWS Grand Forks, ND

May 9, 201611 counties in Minnesota

NWS Grand Forks, ND issued this red flag warning at May 9, 2016, 4:21 AM CDT for 11 counties in Minnesota. It took effect at May 9, 2016, 1:00 PM CDT. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 9, 2016, 4:21 AM CDT (09:21 UTC)
In effect from: May 9, 2016, 1:00 PM CDT
Expired: May 9, 2016, 6:00 PM CDT
In force: 5 hr
Issued by: NWS Grand Forks, ND

Counties Beltrami County, MN, Clearwater County, MN, Hubbard County, MN, Kittson County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 114 km from the middle of the area, began a volume at 09:24 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, 9.4 hours before the alert went out and 207 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2553 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

617 
WWUS83 KFGF 090921
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
421 AM CDT MON MAY 9 2016

MNZ001-002-004-005-007>009-013>017-022>024-092300-
/O.NEW.KFGF.FW.W.0007.160509T1800Z-160509T2300Z/
WEST POLK-NORMAN-KITTSON-ROSEAU-WEST MARSHALL-EAST MARSHALL-
NORTH BELTRAMI-PENNINGTON-RED LAKE-EAST POLK-NORTH CLEARWATER-
SOUTH BELTRAMI-MAHNOMEN-SOUTH CLEARWATER-HUBBARD-
421 AM CDT MON MAY 9 2016

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM
CDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS FOR
PARTS OF NORTHWESTERN MINNESOTA...

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A RED FLAG
WARNING FOR LOW RELATIVE HUMIDITY AND GUSTY WINDS...WHICH IS IN
EFFECT FROM 1 PM THIS AFTERNOON TO 6 PM CDT THIS EVENING.

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONES 001...002... 
  004...005...007...008...009...013...014...015...016...017...
  022... 023 AND 024.

* WINDS...SOUTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* TIMING...THIS AFTERNOON.

* RELATIVE HUMIDITY...AS LOW AS 22 PERCENT.

* TEMPERATURES...IN THE LOWER TO MIDDLE 70S.

* IMPACTS...ANY FIRES THAT DEVELOP MAY SPREAD RAPIDLY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

1 follow-up statement

504 
WWUS83 KFGF 092304
RFWFGF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND FORKS ND
604 PM CDT MON MAY 9 2016

MNZ001-002-004-005-007>009-013>017-022>024-100015-
/O.EXP.KFGF.FW.W.0007.000000T0000Z-160509T2300Z/
WEST POLK-NORMAN-KITTSON-ROSEAU-WEST MARSHALL-EAST MARSHALL-
NORTH BELTRAMI-PENNINGTON-RED LAKE-EAST POLK-NORTH CLEARWATER-
SOUTH BELTRAMI-MAHNOMEN-SOUTH CLEARWATER-HUBBARD-
604 PM CDT MON MAY 9 2016

...RED FLAG WARNING HAS EXPIRED FOR LOW RELATIVE HUMIDITY AND
GUSTY WINDS FOR PARTS OF NORTHWESTERN MINNESOTA...

THE GUSTY SOUTHEAST WINDS WILL CONTINUE TO DECREASE AND HUMIDITY
VALUES WILL SLOWLY RISE. THEREFORE THE RED FLAG WARNING WAS
ALLOWED TO EXPIRE.

$$

Nearby

Red Flag Warnings in Minnesota, 2016 Every red flag 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.