Alert archive / Arizona / Red Flag Warnings in 2021
Red Flag Warning 3, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this red flag warning at Apr 13, 2021, 2:25 PM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at Apr 14, 2021, 12:00 PM MST. 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 13, 2021, 2:25 PM MST (21:25 UTC)
- In effect from
- Apr 14, 2021, 12:00 PM MST
- Expired
- Apr 14, 2021, 8:00 PM MST
- In force
- 8 hr
- Issued by
- NWS Flagstaff, AZ
Counties Apache County, AZ, Coconino County, AZ, Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 21:28 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.4 hours before the alert went out and 121 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
- 1773 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
224 WWUS85 KFGZ 132125 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 225 PM MST Tue Apr 13 2021 AZZ111-113-114-116-140-140530- /O.UPG.KFGZ.FW.A.0002.210414T1900Z-210415T0300Z/ /O.NEW.KFGZ.FW.W.0003.210414T1900Z-210415T0300Z/ /O.NEW.KFGZ.FW.A.0003.210415T1800Z-210416T0300Z/ Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Eastern Mogollon Rim (Fire Weather Zone 116)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 225 PM MST Tue Apr 13 2021 ...RED FLAG WARNING IN EFFECT FROM NOON MST/1 PM MDT TO 8 PM MST/9 PM MDT WEDNESDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MUCH OF COCONINO, NAVAJO,AND APACHE COUNTIES... ...FIRE WEATHER WATCH IN EFFECT FROM 11 AM MST/12 PM MDT THURSDAY THROUGH 8 PM MST/9 PM MDT THURSDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS OF COCONINO, APACHE AND NAVAJO COUNTIES... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from noon to 8 PM MST Wednesday. A Fire Weather Watch has also been issued. This Fire Weather Watch due to strong winds and low relative humidity is in effect from Thursday morning through Thursday evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Locations near Buffalo Pass, Dilkon, Eagar- Springerville, Forest Lakes, Ganado, Heber-Overgaard, Holbrook, Kykotsmovi, Saint Johns, Snowflake-Taylor, Window Rock and Winslow. This includes portions of the Apache- Sitgreaves National Forest, Coconino National Forest and Tonto National Forest. * WINDS...Southwest 20 to 30 mph with gusts 40-50 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that start will have the potential to spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible red flag warnings. Please notify field crews of this fire weather watch. && $$ AZZ106-107-109-110-112-139-140530- /O.UPG.KFGZ.FW.A.0002.210414T1900Z-210415T0300Z/ /O.NEW.KFGZ.FW.W.0003.210414T1900Z-210415T0300Z/ Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)-Chinle Valley (Fire Weather Zone 110)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)-Black Mesa Area (Fire Weather Zone 139)- 225 PM MST Tue Apr 13 2021 ...RED FLAG WARNING IN EFFECT FROM NOON MST/1 PM MDT TO 8 PM MST/9 PM MDT WEDNESDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MUCH OF COCONINO, NAVAJO,AND APACHE COUNTIES... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from noon to 8 PM MST Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Locations near Chinle, Grand Canyon, Kayenta, North Rim, Shonto, Tuba City and Valle. This includes portions of the Coconino National Forest and Kaibab National Forest. * WINDS...Southwest 20 to 30 mph with gusts 40-50 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that start will have the potential to spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ104-105-140530- /O.NEW.KFGZ.FW.W.0003.210414T1900Z-210415T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- 225 PM MST Tue Apr 13 2021 ...RED FLAG WARNING IN EFFECT FROM NOON MST/1 PM MDT TO 8 PM MST/9 PM MDT WEDNESDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE KAIBAB PLATEAU, MARBLE AND GLEN CANYONS... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from noon to 8 PM MST Wednesday. * AFFECTED AREA...Locations near Fredonia, Jacob Lake and Page. This includes portions of the Kaibab National Forest. * WINDS...Southwest 20 to 30 mph with gusts 40-50 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ117-140530- /O.NEW.KFGZ.FW.A.0003.210415T1800Z-210416T0300Z/ White Mountains (Fire Weather Zone 117)- 225 PM MST Tue Apr 13 2021 ...FIRE WEATHER WATCH IN EFFECT FROM 11 AM/12 PM MDT MST THURSDAY THROUGH 8 PM MST/9 PM MDT THURSDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WHITE MOUNTAIN REGION... The National Weather Service in Flagstaff has issued a Fire Weather Watch due to strong winds and low relative humidity, which is in effect from Thursday morning through Thursday evening. * AFFECTED AREA...Locations near Alpine, Pinetop-Lakeside, Show Low and Whiteriver. This includes portions of the Apache- Sitgreaves National Forest. * WINDS...Southwest 20 to 25 mph with gusts 40-50 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible red flag warnings. Please notify field crews of this fire weather watch. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
3 follow-up statements
472 WWUS85 KFGZ 132203 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 303 PM MST Tue Apr 13 2021 AZZ111-113-114-116-140-150300- /O.CON.KFGZ.FW.W.0003.210414T1900Z-210415T0300Z/ /O.CON.KFGZ.FW.A.0003.210415T1800Z-210416T0300Z/ Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Eastern Mogollon Rim (Fire Weather Zone 116)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 303 PM MST Tue Apr 13 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MST WEDNESDAY FOR MUCH OF COCONINO, NAVAJO,AND APACHE COUNTIES... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING FOR PORTIONS OF COCONINO, APACHE AND NAVAJO COUNTIES... * AFFECTED AREA...Locations near Buffalo Pass, Dilkon, Eagar- Springerville, Forest Lakes, Ganado, Heber-Overgaard, Holbrook, Kykotsmovi, Saint Johns, Snowflake-Taylor, Window Rock and Winslow. This includes portions of the Apache- Sitgreaves National Forest, Coconino National Forest and Tonto National Forest. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that start will have the potential to spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible red flag warnings. Please notify field crews of this fire weather watch. && $$ AZZ104>107-109-110-112-139-150300- /O.CON.KFGZ.FW.W.0003.210414T1900Z-210415T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)-Chinle Valley (Fire Weather Zone 110)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)-Black Mesa Area (Fire Weather Zone 139)- 303 PM MST Tue Apr 13 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MST WEDNESDAY FOR MUCH OF COCONINO, NAVAJO,AND APACHE COUNTIES... * AFFECTED AREA...Locations near Chinle, Fredonia, Grand Canyon, Jacob Lake, Kayenta, North Rim, Page, Shonto, Tuba City and Valle. This includes portions of the Coconino National Forest and Kaibab National Forest. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that start will have the potential to spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ117-150300- /O.CON.KFGZ.FW.A.0003.210415T1800Z-210416T0300Z/ White Mountains (Fire Weather Zone 117)- 303 PM MST Tue Apr 13 2021 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING FOR THE WHITE MOUNTAIN REGION... * AFFECTED AREA...Locations near Alpine, Pinetop-Lakeside, Show Low and Whiteriver. This includes portions of the Apache- Sitgreaves National Forest. * WINDS...Southwest 20 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible red flag warnings. Please notify field crews of this fire weather watch. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
027 WWUS85 KFGZ 142124 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 224 PM MST Wed Apr 14 2021 AZZ111-113-114-116-140-160300- /O.UPG.KFGZ.FW.A.0003.210415T1800Z-210416T0300Z/ /O.NEW.KFGZ.FW.W.0004.210415T1700Z-210416T0300Z/ /O.CON.KFGZ.FW.W.0003.000000T0000Z-210415T0300Z/ Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Eastern Mogollon Rim (Fire Weather Zone 116)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 224 PM MST Wed Apr 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR MUCH OF COCONINO, NAVAJO,AND APACHE COUNTIES... ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST THURSDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS OF COCONINO, NAVAJO, AND APACHE COUNTIES... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from 10 AM to 8 PM MST Thursday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Locations near Buffalo Pass, Dilkon, Eagar- Springerville, Forest Lakes, Ganado, Heber-Overgaard, Holbrook, Kykotsmovi, Saint Johns, Snowflake-Taylor, Window Rock and Winslow. This includes portions of the Apache- Sitgreaves National Forest, Coconino National Forest and Tonto National Forest. * WINDS...Southwest 20 to 30 mph with gusts up to 40-50 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Any fires that start will have the potential to spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ139-160300- /O.NEW.KFGZ.FW.W.0004.210415T1700Z-210416T0300Z/ /O.CON.KFGZ.FW.W.0003.000000T0000Z-210415T0300Z/ Black Mesa Area (Fire Weather Zone 139)- 224 PM MST Wed Apr 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR MUCH OF COCONINO, NAVAJO,AND APACHE COUNTIES... ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST THURSDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR BLACK MESA IN APACHE COUNTY... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from 10 AM to 8 PM MST Thursday. * AFFECTED AREA...Locations near Shonto. * WINDS...Southwest 20 to 30 mph with gusts up to 40-50 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that start will have the potential to spread rapidly. $$ AZZ117-160300- /O.UPG.KFGZ.FW.A.0003.210415T1800Z-210416T0300Z/ /O.NEW.KFGZ.FW.W.0004.210415T1700Z-210416T0300Z/ White Mountains (Fire Weather Zone 117)- 224 PM MST Wed Apr 14 2021 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM MST THURSDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WHITE MOUNTAIN REGION IN APACHE COUNTY... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from 10 AM to 8 PM MST Thursday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Locations near Alpine, Pinetop-Lakeside, Show Low and Whiteriver. This includes portions of the Apache- Sitgreaves National Forest. * WINDS...Southwest 15 to 25 mph with gusts up to 40-45 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ104>107-109-110-112-150300- /O.CON.KFGZ.FW.W.0003.000000T0000Z-210415T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)-Chinle Valley (Fire Weather Zone 110)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)- 224 PM MST Wed Apr 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR MUCH OF COCONINO, NAVAJO,AND APACHE COUNTIES... * AFFECTED AREA...Locations near Chinle, Fredonia, Grand Canyon, Jacob Lake, Kayenta, North Rim, Page, Tuba City and Valle. This includes portions of the Coconino National Forest and Kaibab National Forest. * WINDS...Southwest 20 to 30 mph with gusts up to 40-50 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Any fires that start will have the potential to spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
628 WWUS85 KFGZ 150258 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 758 PM MST Wed Apr 14 2021 AZZ111-113-114-116-139-140-151730- /O.EXP.KFGZ.FW.W.0003.000000T0000Z-210415T0300Z/ /O.CON.KFGZ.FW.W.0004.210415T1700Z-210416T0300Z/ Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Eastern Mogollon Rim (Fire Weather Zone 116)- Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 758 PM MST Wed Apr 14 2021 ...THE RED FLAG WARNING FOR WEDNESDAY WILL BE ALLOWED TO EXPIRE AT 8 PM MST (9 PM NAVAJO NATION)... ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM MST (11 AM TO 9 PM NAVAJO NATION) THURSDAY FOR MUCH OF COCONINO, NAVAJO, AND APACHE COUNTIES AND THE NAVAJO NATION... * AFFECTED AREA...Locations near Buffalo Pass, Dilkon, Eagar- Springerville, Forest Lakes, Ganado, Heber-Overgaard, Holbrook, Kykotsmovi, Saint Johns, Shonto, Snowflake-Taylor, Window Rock and Winslow. This includes portions of the Apache- Sitgreaves National Forest, Coconino National Forest and Tonto National Forest. * WINDS...Southwest 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Any fires that start will have the potential to spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ104>107-109-110-112-150400- /O.EXP.KFGZ.FW.W.0003.000000T0000Z-210415T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)-Chinle Valley (Fire Weather Zone 110)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)- 758 PM MST Wed Apr 14 2021 ...THE RED FLAG WARNING FOR WEDNESDAY WILL BE ALLOWED TO EXPIRE AT 8 PM MST (9 PM NAVAJO NATION)... Relative humidity will increase overnight and windy conditions will slow to breezy across the region so fire weather conditions will subside through this evening. $$ AZZ117-151730- /O.CON.KFGZ.FW.W.0004.210415T1700Z-210416T0300Z/ White Mountains (Fire Weather Zone 117)- 758 PM MST Wed Apr 14 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM MST THURSDAY FOR THE WHITE MOUNTAIN REGION IN APACHE COUNTY... * AFFECTED AREA...Locations near Alpine, Pinetop-Lakeside, Show Low and Whiteriver. This includes portions of the Apache- Sitgreaves National Forest. * WINDS...Southwest 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Any fires that start will have the potential to spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 2:25 PM MST | Fire Weather Watch | FGZ | Apache, Coconino, Navajo | 24 hr |
| Apr 13, 2:45 PM MST | Wind Advisory | FGZ | Apache, Coconino, Navajo, Yavapai | 29 hr |
Nearby
Red Flag Warnings in Arizona, 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.