Alert archive / Minnesota / Red Flag Warnings in 2017
Red Flag Warning 6, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this red flag warning at Nov 29, 2017, 3:04 AM CST for 5 counties in Minnesota. It took effect at Nov 29, 2017, 11:00 AM CST. It was in force for 6 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 29, 2017, 3:04 AM CST (09:04 UTC)
- In effect from
- Nov 29, 2017, 11:00 AM CST
- Expired
- Nov 29, 2017, 4:53 PM CST
- In force
- 6 hr
- Issued by
- NWS Sioux Falls, SD
Counties Cottonwood County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Pipestone County, MN
The radar
The Sioux Falls radar (KFSD), 95 km from the middle of the area, began a volume at 09:03 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 29, 12:21 PM CST | NON-TSTM WND GST 48 | 1 Wnw Lake Benton, MN | MESONET STATION MN028, 1 WNW LAKE BENTON. |
| Nov 29, 12:45 PM CST | NON-TSTM WND GST 47 | 3 S Hendricks, MN | MESONET STATION MN030, 3 S HENDRICKS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 9.1 hours before the alert went out and 194 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
- 2476 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
186 WWUS83 KFSD 290904 RFWFSD URGENT - FIRE WEATHER MESSAGE National Weather Service Sioux Falls SD 304 AM CST Wed Nov 29 2017 MNZ071-072-080-081-097-SDZ255>258-291715- /O.NEW.KFSD.FW.W.0006.171129T1700Z-171129T2300Z/ Lincoln MN-Lyon MN-Murray-Cottonwood-Pipestone- Lower Brule And Lake Andes Vicinity-Middle James River Valley- Middle Big Sioux River Valley- Lower James River To Lower Big Sioux River Valley- 304 AM CST Wed Nov 29 2017 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM CST THIS AFTERNOON FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 071, 072, 080, 081, 097, 255, 256, 257, AND 258... The National Weather Service in Sioux Falls has issued a Red Flag Warning, which is in effect from 11 AM this morning to 5 PM CST this afternoon. * AFFECTED AREA...All of southeast South Dakota, and portions of southwest Minnesota along and north of Highway 30. * WIND...South winds will increase to 25 to 35 mph in the late morning and afternoon, with gusts of 45 to 50 mph at times. * HUMIDITY...Lowest humidity values will reach 20 to 28 percent. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. 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. && $$
2 follow-up statements
508 WWUS83 KFSD 291921 RFWFSD URGENT - FIRE WEATHER MESSAGE National Weather Service Sioux Falls SD 121 PM CST Wed Nov 29 2017 MNZ071-072-080-081-097-SDZ255>258-292300- /O.CON.KFSD.FW.W.0006.000000T0000Z-171129T2300Z/ Lincoln MN-Lyon MN-Murray-Cottonwood-Pipestone- Lower Brule And Lake Andes Vicinity-Middle James River Valley- Middle Big Sioux River Valley- Lower James River To Lower Big Sioux River Valley- 121 PM CST Wed Nov 29 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 071, 072, 080, 081, 097, 255, 256, 257, AND 258... * AFFECTED AREA...All of southeast South Dakota, and portions of southwest Minnesota along and north of Highway 30. * WIND...South winds from 25 to around 35 mph will decrease to 15 to 25 mph around sunset, with gusts of 35 to 45 mph at times. * HUMIDITY...Lowest humidity values will reach 20 to 28 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
208 WWUS83 KFSD 292253 RFWFSD URGENT - FIRE WEATHER MESSAGE National Weather Service Sioux Falls SD 453 PM CST Wed Nov 29 2017 MNZ071-072-080-081-097-SDZ255>258-300000- /O.CAN.KFSD.FW.W.0006.000000T0000Z-171129T2300Z/ Lincoln MN-Lyon MN-Murray-Cottonwood-Pipestone- Lower Brule And Lake Andes Vicinity-Middle James River Valley- Middle Big Sioux River Valley- Lower James River To Lower Big Sioux River Valley- 453 PM CST Wed Nov 29 2017 ...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 071, 072, 080, 081, 097, 255, 256, 257, AND 258... The National Weather Service in Sioux Falls has cancelled the Red Flag Warning. Winds will continue to gradually diminish and humidities will gradually rise this evening. Therefore, the Red Flag Warning will be allowed to expire. $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 29, 2:54 AM CST | Wind Advisory | FSD | Lincoln, Lyon, Murray, Pipestone | 13 hr |
Nearby
Red Flag Warnings in Minnesota, 2017Red Flag Warnings in South Dakota, 2017Every red flag warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.