Alert archive / Arkansas / Red Flag Warnings in 2017
Red Flag Warning 2, NWS Memphis, TN
NWS Memphis, TN issued this red flag warning at Dec 13, 2017, 9:50 AM CST for 4 states. 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
- Dec 13, 2017, 9:50 AM CST (15:50 UTC)
- Expired
- Dec 13, 2017, 6:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Memphis, TN
All 33 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO, Coahoma County, MS, DeSoto County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Haywood County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN
The radar
The Memphis radar (KNQA), 18 km from the middle of the area, began a volume at 15:51 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
Little Rock, AR (KBYH), launched 12:00Z, 3.8 hours before the alert went out and 66 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
- 2144 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
148 WWUS84 KMEG 131550 RFWMEG URGENT - FIRE WEATHER MESSAGE National Weather Service Memphis TN 950 AM CST Wed Dec 13 2017 ...Critical Fire Weather Danger Across Western Half of Mid South... .Strong and gusty southwest winds will combine with low relative humidities and very dry fuel moisture to produce dangerous fire weather conditions. The strong winds will result in rapid fire spread towards the northeast with any uncontrollable wild fires that develop. Burning today is not recommended and do not throw cigarettes out of cars as they can ignite wildfires. ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001- 002-007-008-010>012-020-TNZ001>003-019-020-048>051-088-089-140000- /O.NEW.KMEG.FW.W.0002.171213T1550Z-171214T0000Z/ Randolph-Clay-Lawrence-Greene-Craighead-Poinsett-Mississippi- Cross-Crittenden-St. Francis-Lee AR-Phillips-Dunklin-Pemiscot- DeSoto-Marshall-Tunica-Tate-Coahoma-Quitman-Panola-Tallahatchie- Lake-Obion-Weakley-Dyer-Gibson-Lauderdale-Tipton-Haywood-Crockett- Shelby-Fayette- 950 AM CST Wed Dec 13 2017 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING FOR STRONG AND GUSTY WINDS...LOW HUMIDITY...AND LOW FUEL MOISTURE FOR NORTHEAST ARKANSAS...THE MISSOURI BOOTHEEL...FAR WEST TENNESSEE...AND NORTHWEST MISSISSIPPI... The National Weather Service in Memphis has issued a Red Flag Warning, which is in effect until 6 PM CST this evening. * WIND...around 20 mph with higher gusts at the 20 foot level. * HUMIDITY...around 25 percent. * 10 HOUR FUEL MOISTURE...very dry between 5 and 7 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. && $$ JLH
1 follow-up statement
131 WWUS84 KMEG 140003 AAA RFWMEG URGENT - FIRE WEATHER MESSAGE...UPDATED National Weather Service Memphis TN 603 PM CST Wed Dec 13 2017 ...Red Flag Warning Expired... .The Red Flag Warning for portions of the Midsouth has been allowed to expire, as winds and relative humidity have moderated below Red Flag criteria. ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001- 002-007-008-010>012-020-TNZ001>003-019-020-048>051-088-089-140115- /O.EXP.KMEG.FW.W.0002.000000T0000Z-171214T0000Z/ Randolph-Clay-Lawrence-Greene-Craighead-Poinsett-Mississippi- Cross-Crittenden-St. Francis-Lee AR-Phillips-Dunklin-Pemiscot- DeSoto-Marshall-Tunica-Tate-Coahoma-Quitman-Panola-Tallahatchie- Lake-Obion-Weakley-Dyer-Gibson-Lauderdale-Tipton-Haywood-Crockett- Shelby-Fayette- 603 PM CST Wed Dec 13 2017 ...RED FLAG WARNING HAS EXPIRED FOR STRONG AND GUSTY WINDS...LOW HUMIDITY...AND LOW FUEL MOISTURE FOR NORTHEAST ARKANSAS...THE MISSOURI BOOTHEEL...FAR WEST TENNESSEE...AND NORTHWEST MISSISSIPPI... The Red Flag Warning for portions of the Midsouth has been allowed to expire, as winds and relative humidity have moderated below Red Flag criteria. $$ PWB
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 13, 1:58 AM CST | Wind Advisory | MEG | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 3 more | 14 hr |
| Dec 13, 10:36 AM CST | Blowing Dust Advisory | MEG | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 4 more | 5 hr |
Nearby
Red Flag Warnings in Arkansas, 2017Red Flag Warnings in Tennessee, 2017Red Flag Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.