Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 1, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 3, 2012, 9:14 PM MST for Cochise County, Arizona. It was in force for 2 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 3, 2012, 9:14 PM MST (04:14 UTC)
- Expired
- Jul 3, 2012, 11:15 PM MST
- In force
- 2 hr
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 55 km from the middle of the area, began a volume at 04:15 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 |
|---|---|---|---|
| Jul 3, 9:30 PM MST | FLASH FLOOD | Tombstone, AZ | TWO HOMES FLOODED WITHIN CITY OF TOMBSTONE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 4.2 hours before the alert went out and 92 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
- 2690 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
122 WGUS55 KTWC 040414 FFWTWC AZC003-040615- /O.NEW.KTWC.FF.W.0001.120704T0414Z-120704T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 914 PM MST TUE JUL 3 2012 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL COCHISE COUNTY IN SOUTHEAST ARIZONA... * UNTIL 1115 PM MST * AT 906 PM MST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING NEAR AND JUST EAST OF TOMBSTONE. ALSO...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED NUMEROUS SHOWERS AND THUNDERSTORMS CONTINUING TO MOVE OVER THE AFFECTED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FAIRBANK PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. && LAT...LON 3179 11019 3179 10993 3162 10991 3162 11019 $$
2 follow-up statements
219 WGUS75 KTWC 040450 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 950 PM MST TUE JUL 3 2012 AZC003-040615- /O.CON.KTWC.FF.W.0001.000000T0000Z-120704T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 950 PM MST TUE JUL 3 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM MST FOR CENTRAL COCHISE COUNTY... AT 940 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS CENTRAL AND SOUTHWEST COCHISE COUNTY. MOVEMENT OF THESE SHOWERS AND THUNDERSTORMS WAS TO THE NORTHWEST AT 10 MPH. RADAR RAINFALL ESTIMATES OF 1.00 TO 1.50 INCHES HAD OCCURRED SINCE 845 PM MST. AT 930 PM MST...TOMBSTONE MARSHALL OFFICE REPORTED TWO HOUSES FLOODED WITHIN THE CITY OF TOMBSTONE. ADDITIONAL SHOWERS AND THUNDERSTORMS WILL CONTINUE TO PRODUCE FLOODING THROUGH 1115 PM MST. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FAIRBANK AND TOMBSTONE PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. && LAT...LON 3179 11019 3179 10993 3162 10991 3162 11019 $$
582 WGUS75 KTWC 040609 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 1109 PM MST TUE JUL 3 2012 AZC003-040615- /O.EXP.KTWC.FF.W.0001.000000T0000Z-120704T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 1109 PM MST TUE JUL 3 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1115 PM MST FOR CENTRAL COCHISE COUNTY... THE HEAVY RAINFALL RUNOFF THAT RESULTED IN FLASH FLOODING NEAR THE TOWN OF TOMBSTONE HAS HAD TIME TO DRAIN INTO NORMALLY DRY WASHES AND THE THREAT OF FLASH FLOODING HAS SUBSIDED. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE AT 1115 PM MST. HOWEVER...SIGNIFICANT PONDING OF WATER IS STILL LIKELY IN ROADWAY DIPS AND OTHER LOW LYING AREAS. MOTORISTS SHOULD USE CAUTION AND NEVER ATTEMPT TO CROSS THROUGH A WASH FILLED WITH RUNNING WATER OF UNKNOWN DEPTH. LAT...LON 3179 11019 3179 10993 3162 10991 3162 11019 $$
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 8:21 PM MST | Areal Flood Advisory | TWC | Cochise | 3 hr |
| Jul 3, 9:25 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 3, 10:02 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 3 hr |
| Jul 3, 10:15 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 4, 12:00 AM MST | Flash Flood Watch | TWC | Cochise, Graham, Pima, Pinal, Santa Cruz | 17 hr |
| Jul 4, 12:59 AM MST | Areal Flood Advisory | TWC | Cochise, Pima, Santa Cruz | 2 hr |
| Jul 4, 10:00 AM MST | Areal Flood Advisory | TWC | Pinal | 3 hr |
| Jul 4, 10:48 AM MST | Areal Flood Advisory | TWC | Pima | 12 min |
| Jul 4, 10:58 AM MST | Areal Flood Advisory | TWC | Pima | 82 min |
| Jul 4, 12:16 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 4, 12:48 PM MST | Areal Flood Advisory | TWC | Pima | 117 min |
| Jul 4, 12:59 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Jul 4, 1:32 PM MST | Flash Flood Warning | TWC | Pima | 118 min |
| Jul 4, 1:45 PM MST | Flash Flood Warning | TWC | Pima | 111 min |
| Jul 4, 2:24 PM MST | Flash Flood Warning | TWC | Pinal | 3 hr |
| Jul 4, 2:55 PM MST | Areal Flood Advisory | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 3 hr |
| Jul 4, 4:11 PM MST | Areal Flood Advisory | TWC | Graham, Greenlee | 3 hr |
Nearby
Flash Flood Warnings in Arizona, 2012Every flash flood warning in 2012
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.