Alert archive / Wisconsin / Red Flag Warnings in 2015
Red Flag Warning 2, NWS Green Bay, WI
NWS Green Bay, WI issued this red flag warning at Apr 18, 2015, 4:00 AM CDT for Wood County, Wisconsin. It took effect at Apr 18, 2015, 11:00 AM CDT. It was in force for 8 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
- Apr 18, 2015, 4:00 AM CDT (09:00 UTC)
- In effect from
- Apr 18, 2015, 11:00 AM CDT
- Expired
- Apr 18, 2015, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Green Bay, WI
County Wood County, WI
The radar
The La Crosse radar (KARX), 116 km from the middle of the area, began a volume at 09:00 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.0 hours before the alert went out and 154 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2059 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 244 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
465 WWUS83 KGRB 180900 RFWGRB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREEN BAY WI 400 AM CDT SAT APR 18 2015 ...RED FLAG WARNING IN EFFECT FOR WOOD COUNTY DUE TO LOW HUMIDITY LEVELS AND DRY FUELS... .THE COMBINATION OF WARM TEMPERATURES...AFTERNOON RELATIVE HUMIDITIES IN THE 20 TO 25 PERCENT RANGE...EAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 25 MPH...AND DRY FUEL LEVELS WILL BRING CRITICAL FIRE WEATHER CONDITIONS TO WOOD COUNTY FROM LATE THIS MORNING INTO EARLY THIS EVENING. WIZ035-181700- /O.NEW.KGRB.FW.W.0002.150418T1600Z-150419T0000Z/ WOOD- 400 AM CDT SAT APR 18 2015 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR WOOD COUNTY... THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. * THE AFFECTED COUNTIES ARE...WOOD. * WINDS FROM THE EAST AROUND 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY FALLING TO AS LOW AS 20 PERCENT. * HIGH TEMPERATURES IN THE MIDDLE 60S. * IMPACTS...BURNING RESTRICTIONS ARE LIKELY IN EFFECT. FOR MORE INFORMATION ON BURNING RESTRICTIONS...VISIT THE WISCONSIN DNR WEBSITE AT DNR.WI.GOV/TOPIC/FORESTFIRE/RESTRICTIONS.HTML AND CLICK ON THE APPROPRIATE COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS ISSUED WHEN CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR ARE IMMINENT. A COMBINATION OF STRONG WINDS...VERY LOW RELATIVE HUMIDITY...WARM TEMPERATURES AND EXCEPTIONALLY DRY FUELS WILL CREATE DANGEROUS WILDLAND FIRE CONDITIONS. PERSONS ARE URGED TO BE CAREFUL WITH ANY ACTIVITIES THAT COULD POTENTIALLY LEAD TO A WILDLAND FIRE. CAMPFIRES...OUTDOOR GRILLS...SMOKING MATERIALS...CHAIN SAWS...AND ALL-TERRAIN VEHICLES ALL HAVE THE POTENTIAL TO THROW A SPARK AND IGNITE A DANGEROUS AND DESTRUCTIVE FIRE. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$
2 follow-up statements
009 WWUS83 KGRB 181630 RFWGRB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREEN BAY WI 1130 AM CDT SAT APR 18 2015 ...RED FLAG WARNING IN EFFECT FOR WOOD COUNTY DUE TO LOW HUMIDITY LEVELS AND DRY FUELS... .THE COMBINATION OF WARM TEMPERATURES...AFTERNOON RELATIVE HUMIDITIES IN THE 20 TO 25 PERCENT RANGE...EAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 25 MPH...AND DRY FUEL LEVELS WILL BRING CRITICAL FIRE WEATHER CONDITIONS TO WOOD COUNTY THROUGH EARLY THIS EVENING. WIZ035-190000- /O.CON.KGRB.FW.W.0002.000000T0000Z-150419T0000Z/ WOOD- 1130 AM CDT SAT APR 18 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR WOOD COUNTY... * THE AFFECTED COUNTIES ARE...WOOD. * WINDS FROM THE EAST AROUND 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY FALLING TO AS LOW AS 21 PERCENT. * HIGH TEMPERATURES HIGHS IN THE MID 60S. * IMPACTS...BURNING RESTRICTIONS ARE LIKELY IN EFFECT. FOR MORE INFORMATION ON BURNING RESTRICTIONS...VISIT THE WISCONSIN DNR WEBSITE AT DNR.WI.GOV/TOPIC/FORESTFIRE/RESTRICTIONS.HTML AND CLICK ON THE APPROPRIATE COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING IS ISSUED WHEN CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR ARE IMMINENT. A COMBINATION OF STRONG WINDS...VERY LOW RELATIVE HUMIDITY...WARM TEMPERATURES AND EXCEPTIONALLY DRY FUELS WILL CREATE DANGEROUS WILDLAND FIRE CONDITIONS. PERSONS ARE URGED TO BE CAREFUL WITH ANY ACTIVITIES THAT COULD POTENTIALLY LEAD TO A WILDLAND FIRE. CAMPFIRES...OUTDOOR GRILLS...SMOKING MATERIALS...CHAIN SAWS...AND ALL-TERRAIN VEHICLES ALL HAVE THE POTENTIAL TO THROW A SPARK AND IGNITE A DANGEROUS AND DESTRUCTIVE FIRE. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$
922 WWUS83 KGRB 182354 RFWGRB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE GREEN BAY WI 654 PM CDT SAT APR 18 2015 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT... .CONDITIONS WHICH SUPPORTED THE ISSUANCE OF A RED FLAG WARNING FOR WOOD COUNTY WILL EXPIRE AT 7 PM. WIZ035-190100- /O.EXP.KGRB.FW.W.0002.000000T0000Z-150419T0000Z/ WOOD- 654 PM CDT SAT APR 18 2015 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR WOOD COUNTY... TEMPERATURES WILL CONTINUE TO COOL THIS EVENING WHILE EAST WINDS DIMINISH TO AROUND 10 MPH. RELATIVE HUMIDITY WILL INCREASE TO 35 TO 40 PERCENT BY 10 PM THIS EVENING. $$ KURIMSKI
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 8:59 PM CDT | Small Craft Advisory | GRB | 19 hr |
Nearby
Red Flag Warnings in Wisconsin, 2015Every red flag warning in 2015
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.