Alert archive / Arizona / Flash Flood Warnings in 2017
Flash Flood Warning 33, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 24, 2017, 4:21 PM MST for Cochise County, Arizona. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 24, 2017, 4:21 PM MST (23:21 UTC)
- Expired
- Jul 24, 2017, 7:15 PM MST
- In force
- 3 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 126 km from the middle of the area, began a volume at 23:21 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
Tuscon, AZ (KDMA), launched 12:00Z, 11.4 hours before the alert went out and 157 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
- 545 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1117 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- -23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
805 WGUS55 KTWC 242321 FFWTWC AZC003-250215- /O.NEW.KTWC.FF.W.0033.170724T2321Z-170725T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tucson AZ 421 PM MST MON JUL 24 2017 The National Weather Service in Tucson has issued a * Flash Flood Warning for... East central Cochise County in southeastern Arizona... * Until 715 PM MST * At 420 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain over the southern Chiricahua Mountains including the Rucker Canyon area. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Rucker Canyon. This includes the following streams and drainages...Pridham Creek... Rucker Canyon...Whitewater Draw and Leslie Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 3180 10922 3170 10922 3169 10941 3181 10946 $$ Meyer
2 follow-up statements
085 WGUS75 KTWC 250006 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 506 PM MST MON JUL 24 2017 AZC003-250215- /O.CON.KTWC.FF.W.0033.000000T0000Z-170725T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cochise- 506 PM MST MON JUL 24 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MST FOR EAST CENTRAL COCHISE COUNTY... At 505 PM MST, Doppler radar and automated rain gauges indicated thunderstorms continuing to produce heavy rain over the southern Chiricahua Mountains including the Rucker Canyon area. the warned area. Between 2 and 4 inches of rain has fallen and flash flooding is underway. Normally dry washes and low water crossings may be inundated in the following locations... Rucker Canyon. This includes the following streams and drainages...Pridham Creek... Rucker Canyon...Whitewater Draw and Leslie Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to higher ground now. Act quickly to protect your life. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 3180 10922 3170 10922 3169 10941 3181 10946 $$ Meyer
035 WGUS75 KTWC 250207 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 707 PM MST MON JUL 24 2017 AZC003-250215- /O.EXP.KTWC.FF.W.0033.000000T0000Z-170725T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cochise- 707 PM MST MON JUL 24 2017 ...THE FLASH FLOOD WARNING FOR EAST CENTRAL COCHISE COUNTY WILL EXPIRE AT 715 PM MST... The heavy rain has ended over southern portions of the Chiricahua mountains. Flash Flooding is no longer expected to pose a threat, however heavy flow will continue in streambeds and washes, including the Rucker Canyon area. Please continue to heed any road closures. LAT...LON 3180 10922 3170 10922 3169 10941 3181 10946 $$ Meyer
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 5:16 PM MST | Severe Thunderstorm Warning | TWC | Graham | 28 min |
| Jul 23, 5:30 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 23, 5:53 PM MST | Severe Thunderstorm Warning | TWC | Graham, Pinal | 42 min |
| Jul 23, 6:26 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 23, 6:31 PM MST | Areal Flood Advisory | TWC | Graham, Pinal | 119 min |
| Jul 23, 8:30 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 24, 11:43 AM MST | Areal Flood Advisory | TWC | Pima, Pinal | 2 hr |
| Jul 24, 3:05 PM MST | Special Weather Statement | TWC | 40 min | |
| Jul 24, 3:18 PM MST | Special Weather Statement | TWC | Graham | 42 min |
| Jul 24, 4:14 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Jul 24, 4:41 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 3 hr |
Nearby
Flash Flood Warnings in Arizona, 2017Every flash flood 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.