Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 2, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 4, 2011, 1:17 PM MST for Santa Cruz County, Arizona. It was in force for 58 min. 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 4, 2011, 1:17 PM MST (20:17 UTC)
- Expired
- Jul 4, 2011, 2:15 PM MST
- In force
- 58 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 48 km from the middle of the area, began a volume at 20:19 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 (KTUS), launched 12:00Z, 8.3 hours before the alert went out and 72 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
- 1243 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 890 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
072
WGUS55 KTWC 042017
FFWTWC
AZC023-042115-
/O.NEW.KTWC.FF.W.0002.110704T2017Z-110704T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
117 PM MST MON JUL 4 2011
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL SANTA CRUZ COUNTY IN SOUTHEAST ARIZONA...
THIS INCLUDES THE CITY OF NOGALES...
* UNTIL 215 PM MST
* AT 106 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM AN AREA OF THUNDERSTORMS EXTENDING FROM JUST
NORTH OF NOGALES TO PATAGONIA LAKE AND JUST NORTHEAST OF
PATAGONIA. NOGALES INTERNATIONAL AIRPORT RECORDED .53 OF AN INCH
IN 10 MINUTES WITH HEAVY RAIN CONTINUING. STORM MOVEMENT WAS
TO THE WEST AND NORTHWEST AT ABOUT 10 MPH BUT STORMS MAY SPREAD
INTO NOGALES AS WELL.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PATAGONIA
LAKE...RIO RICO AND PATAGONIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 3155 11100 3164 11089 3167 11059 3134 11084
3136 11098
$$
MEYER2 follow-up statements
099
WGUS75 KTWC 042047
FFSTWC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
147 PM MST MON JUL 4 2011
AZC023-042115-
/O.CON.KTWC.FF.W.0002.000000T0000Z-110704T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA CRUZ AZ-
147 PM MST MON JUL 4 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM MST FOR
CENTRAL SANTA CRUZ COUNTY...
AT 136 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT STORMS ACROSS MOST OF CENTRAL SANTA CRUZ COUNTY WERE WEAKENING
EVEN AS STORMS WERE INTENSIFYING IN NORTHERN PORTIONS OF THE COUNTY.
LIGHT TO MODERATE RAIN WILL CONTINUE OVER AREAS THAT RECEIVED UP TO
1 INCH OVER A 20 MINUTE PERIOD EARLIER...INCLUDING LOCATIONS NEAR
AND NORTH OF NOGALES INTERNATIONAL AIRPORT THROUGH PATAGONIA...WITH
HEAVY RUNOFF TO CONTINUE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...SONOITA
CREEK...JOSEPHINE CANYON...HARSHAW CREEK...POTRERO
CREEK...BABOCOMARI RIVER AND CIENEGA CREEK.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 3155 11100 3164 11089 3167 11059 3134 11084
3136 11098
$$
MEYER901
WGUS75 KTWC 042114
FFSTWC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
214 PM MST MON JUL 4 2011
AZC023-042124-
/O.EXP.KTWC.FF.W.0002.000000T0000Z-110704T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA CRUZ AZ-
214 PM MST MON JUL 4 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 215 PM MST FOR CENTRAL
SANTA CRUZ COUNTY...
AT 210 PM MST ONLY LIGHT SHOWERS REMAINED OVER CENTRAL SANTA CRUZ
COUNTY. ADDITIONAL STORMS MAY MOVE INTO THE AREA FROM SOUTH AND EAST
OVER THE NEXT FEW HOURS.
LAT...LON 3155 11100 3164 11089 3167 11059 3134 11084
3136 11098
$$
MEYERThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 10:27 PM MST | Areal Flood Advisory | TWC | Pima | 68 min |
| Jul 4, 5:53 AM MST | Areal Flood Advisory | TWC | Pima, Pinal | 112 min |
| Jul 4, 11:58 AM MST | Severe Thunderstorm Warning | TWC | Pima | 47 min |
| Jul 4, 12:54 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 51 min |
| Jul 4, 1:38 PM MST | Areal Flood Advisory | TWC | Cochise | 112 min |
| Jul 4, 2:46 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 44 min |
| Jul 4, 3:39 PM MST | Areal Flood Advisory | TWC | Pima | 55 min |
| Jul 4, 4:03 PM MST | Severe Thunderstorm Warning | TWC | Pima | 42 min |
| Jul 4, 4:15 PM MST | Severe Thunderstorm Warning | TWC | Pima | 39 min |
| Jul 4, 4:31 PM MST | Flash Flood Warning | TWC | Pima | 89 min |
| Jul 4, 4:44 PM MST | Dust Storm Warning | TWC | Pima, Pinal | 6 min |
| Jul 4, 4:48 PM MST | Severe Thunderstorm Warning | TWC | Pima | 57 min |
| Jul 4, 4:50 PM MST | Dust Storm Warning | TWC | Pima, Pinal | 70 min |
Nearby
Flash Flood Warnings in Arizona, 2011Every flash flood warning in 2011
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.