Alert archive / Pennsylvania / Red Flag Warnings in 2021
Red Flag Warning 1, NWS State College, PA
NWS State College, PA issued this red flag warning at Mar 14, 2021, 4:19 AM EDT for 18 counties in Pennsylvania. It took effect at Mar 14, 2021, 11:00 AM EDT. It was in force for 11 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
- Mar 14, 2021, 4:19 AM EDT (08:19 UTC)
- In effect from
- Mar 14, 2021, 11:00 AM EDT
- Expired
- Mar 14, 2021, 10:00 PM EDT
- In force
- 11 hr
- Issued by
- NWS State College, PA
Counties Adams County, PA, Bedford County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lancaster County, PA, Lebanon County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Snyder County, PA, Union County, PA, York County, PA
The radar
The State College radar (KCCX), 91 km from the middle of the area, began a volume at 08:21 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 8.3 hours before the alert went out and 163 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
- 3125 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
867 WWUS81 KCTP 140819 RFWCTP URGENT - FIRE WEATHER MESSAGE National Weather Service State College PA 419 AM EDT Sun Mar 14 2021 PAZ026>028-034>036-049>053-056-057-059-063>066-150200- /O.UPG.KCTP.FW.A.0001.210314T1200Z-210315T0200Z/ /O.NEW.KCTP.FW.W.0001.210314T1500Z-210315T0200Z/ Huntingdon-Mifflin-Juniata-Bedford-Fulton-Franklin-Union-Snyder- Montour-Northumberland-Columbia-Perry-Dauphin-Lebanon-Cumberland- Adams-York-Lancaster- 419 AM EDT Sun Mar 14 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM EDT THIS EVENING FOR THE SOUTH CENTRAL MOUNTAINS AND SUSQUEHANNA VALLEY... The National Weather Service in State College has issued a Red Flag Warning, which is in effect from 11 AM this morning to 10 PM EDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 026 Huntingdon, 027 Mifflin, 028 Juniata, 034 Bedford, 035 Fulton, 036 Franklin, 049 Union, 050 Snyder, 051 Montour, 052 Northumberland, 053 Columbia, 056 Perry, 057 Dauphin, 059 Lebanon, 063 Cumberland, 064 Adams, 065 York and 066 Lancaster. * TIMING...Late this morning through this evening. * WINDS...Northwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Reaching the low to mid 50s by early afternoon, then falling through the 40s this evening. * IMPACTS...Critical fire weather conditions possible. Any fires that develop will likely spread rapidly. Prescribed burns may get out of control. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent due to a combination of strong winds, low relative humidity and dry fuels. Any fires that develop may quickly get out of control and become difficult to contain. For more information about wildfire danger, burn restrictions, and wildfire prevention and education, please visit the Pennsylvania Department of Conservation and Natural Resources website at http://dcnr.pa.gov/Communities/Wildfire. && $$ Visit http://www.weather.gov/ctp for more information from the National Weather Service office in State College.
2 follow-up statements
061 WWUS81 KCTP 141554 RFWCTP URGENT - FIRE WEATHER MESSAGE National Weather Service State College PA 1154 AM EDT Sun Mar 14 2021 PAZ026>028-034>036-049>053-056-057-059-063>066-150200- /O.CON.KCTP.FW.W.0001.000000T0000Z-210315T0200Z/ Huntingdon-Mifflin-Juniata-Bedford-Fulton-Franklin-Union-Snyder- Montour-Northumberland-Columbia-Perry-Dauphin-Lebanon-Cumberland- Adams-York-Lancaster- 1154 AM EDT Sun Mar 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE SOUTH CENTRAL MOUNTAINS AND SUSQUEHANNA VALLEY... * AFFECTED AREA...Fire Weather Zones 026 Huntingdon, 027 Mifflin, 028 Juniata, 034 Bedford, 035 Fulton, 036 Franklin, 049 Union, 050 Snyder, 051 Montour, 052 Northumberland, 053 Columbia, 056 Perry, 057 Dauphin, 059 Lebanon, 063 Cumberland, 064 Adams, 065 York and 066 Lancaster. * TIMING...Through this afternoon and evening. * WINDS...Northwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Reaching the low to mid 50s by early afternoon, then falling through the 40s this evening. * IMPACTS...Critical fire weather conditions possible. Any fires that develop will likely spread rapidly. Prescribed burns may get out of control. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent due to a combination of strong winds, low relative humidity and dry fuels. Any fires that develop may quickly get out of control and become difficult to contain. For more information about wildfire danger, burn restrictions, and wildfire prevention and education, please visit the Pennsylvania Department of Conservation and Natural Resources website at http://dcnr.pa.gov/Communities/Wildfire. && $$ Visit http://www.weather.gov/ctp for more information from the National Weather Service office in State College.
983 WWUS81 KCTP 150149 RFWCTP URGENT - FIRE WEATHER MESSAGE National Weather Service State College PA 949 PM EDT Sun Mar 14 2021 PAZ026>028-034>036-049>053-056-057-059-063>066-150300- /O.EXP.KCTP.FW.W.0001.000000T0000Z-210315T0200Z/ Huntingdon-Mifflin-Juniata-Bedford-Fulton-Franklin-Union-Snyder- Montour-Northumberland-Columbia-Perry-Dauphin-Lebanon-Cumberland- Adams-York-Lancaster- 949 PM EDT Sun Mar 14 2021 ...RED FLAG WARNING WILL EXPIRE AT 10 PM EDT THIS EVENING... The wind is still gusting into the 20s, but the relative humidity is on the way up. While it will get dry on Monday, perhaps even slightly drier than today, the wind should continue to get lighter overnight and through the day on Monday. Gusts into the 20s are still possible over the eastern half of the state during the morning. However, the wind should be getting lighter as we approach the driest point in the day (late afternoon). $$ Visit http://www.weather.gov/ctp for more information from the National Weather Service office in State College.
Nearby
Red Flag Warnings in Pennsylvania, 2021Every red flag warning in 2021
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.