Alert archive / Arizona / Flash Flood Warnings in 2006

Flash Flood Warning 2, NWS Tucson, AZ

June 21, 2006Cochise County, Santa Cruz County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jun 21, 2006, 3:05 PM MST for Cochise County, Santa Cruz County, Arizona. It was in force for 115 min. 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
Jun 21, 2006, 3:05 PM MST (22:05 UTC)
Expired
Jun 21, 2006, 5:00 PM MST
In force
115 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

Counties Cochise County, AZ, Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 44 km from the middle of the area, began a volume at 22:08 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

TimeReportWhereRemark
Jun 21, 5:00 PM MSTFLASH FLOOD5 Ene Sierra Vista, AZMOSON ROAD BETWEEN HIGHWAY 90 AND CHARLESTON ROAD IMPASSIBLE TO DUE FLOODING.

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 12:00Z, 10.1 hours before the alert went out and 84 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 12:00Z on 2006-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 531 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 12:00Z on 2006-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
531 J/kg
Mixed-layer CIN
-219 J/kg
Mixed-layer LCL
2366 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KTWC 212206
FFWTWC
AZC003-023-220100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
305 PM MST WED JUN 21 2006

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN COCHISE COUNTY IN SOUTHEAST ARIZONA
  THIS INCLUDES THE CITY OF SIERRA VISTA
  EXTREME EASTERN SANTA CRUZ COUNTY IN SOUTHEAST ARIZONA

* UNTIL 600 PM MST

* AT 254 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM 14 MILES SOUTH OF SIERRA
  VISTA...MOVING SOUTH AT 5 MPH.

SEVERAL THUNDERSTORMS HAVE MERGED INTO EACH OTHER OVER THE HUACHUCA 
MOUNTAINS BETWEEN FORT HUACHUCA AND THE MEXICAN BORDER. RAINFALL 
RATES OF OVER ONE INCH PER HOUR HAVE ALREADY BEEN REPORTED THIS 
AFTERNOON. THESE HEAVY RAINS WILL FALL OVER THE 103 BURN AREA...AND 
UPPER REACHES OF RAMSEY CANYON...AND SMALL STREAMS NEAR CANELO AND 
ELGIN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...DEBRIS 
FLOWS FROM THE 103 BURN AREA ARE POSSIBLE ALONG UPPER MONTEZUMA 
CANYON ROAD.

LAT...LON 3172 11023 3173 11060 3134 11058 3133 11018

$$
PYTLAK/SCHAFFNER

WEATHER.GOV/TUCSON
3 follow-up statements
000 
WGUS75 KTWC 212249
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
346 PM MST WED JUN 21 2006

AZC003-023-220100-
COCHISE AZ-SANTA CRUZ AZ-
346 PM MST WED JUN 21 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MST FOR
EASTERN SANTA CRUZ AND SOUTHWESTERN COCHISE COUNTIES...

AT 340 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE AN AREA OF THUNDERSTORMS OVER FAR SOUTHWEST COCHISE COUNTY 
AND EXTREME EASTERN SANTA CRUZ COUNTY. THE AREA WAS MOVING WEST AT 5 
TO 10 MPH. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO THE 
103 BURN AREA...RAMSEY CANYON...CORONADO NATIONAL MEMORIAL... 
ELGIN...CANELO AND PARKER CANYON LAKE.

NEVER DRIVE CARS...TRUCKS OR SPORT UTILITY VEHICLES THROUGH FLOODED
AREAS. THE WATER MAY BE TO DEEP TO ALLOW FOR SAFE PASSAGE.

LAT...LON 3172 11023 3173 11060 3134 11058 3133 11018

$$
PYTLAK

WEATHER.GOV/TUCSON
000 
WGUS75 KTWC 212318
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
413 PM MST WED JUN 21 2006

AZC003-023-220100-
COCHISE AZ-SANTA CRUZ AZ-
413 PM MST WED JUN 21 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MST FOR
EASTERN SANTA CRUZ AND SOUTHWESTERN COCHISE COUNTIES...

AT 408 PM MST...TRAINED WEATHER SPOTTERS CONTINUED TO REPORT FLASH 
FLOODING NEAR SIERRA VISTA. SEVERAL STREETS AND WASHES WERE FLOODED 
DUE TO THE ONE TO TWO INCHES OF RAIN THAT FELL EARLIER THIS 
AFTERNOON. ONE SPOTTER REPORTED 1.76 INCHES OF RAIN IN AN HOUR AND A 
HALF. ADDITIONAL HEAVY RAIN HAS ALSO FALLEN OVER MOST OF THE 
HUACHUCA MOUNTAINS AND ON THE 103 BURN AREA. MODERATE TO 
OCCASIONALLY HEAVY RAIN CONTINUED TO FALL OVER THE WARNING AREA AS 
THE AREA OF THUNDERSTORMS CONTINUED TO MOVE WEST AT  MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PARKER
CANYON LAKE...CANELO AND ELGIN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. DEBRIS FLOWS ARE 
POSSIBLE ALONG UPPER MONTEZUMA CANYON ROAD.

LAT...LON 3172 11023 3173 11060 3134 11058 3133 11018

$$
PYTLAK

WEATHER.GOV/TUCSON
000 
WGUS75 KTWC 220102
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
600 PM MST WED JUN 21 2006

AZC003-023-220110-
COCHISE AZ-SANTA CRUZ AZ-
600 PM MST WED JUN 21 2006

...THE FLASH FLOOD WARNING HAS EXPIRED FOR EASTERN SANTA CRUZ AND
SOUTHWESTERN COCHISE COUNTIES...

LIGHT RAIN CONTINUED TO FALL OVER MUCH OF THE WARNING AREA. 
HOWEVER...REPORTS FROM SIERRA VISTA INDICATE THAT FLOOD WATERS HAVE 
RECEDED. THIS THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.

HOWEVER...THE RAINS FROM EARLIER THIS AFTERNOON MAY HAVE PUSHED MUD 
AND DEBRIS ONTO ROADWAYS LEADING IN THE HUACHUCA MOUNTAINS SOUTHWEST 
OF SIERRA VISTA. NEVER DRIVE CARS...TRUCKS OR SPORT UTILITY VEHICLES 
THROUGH FLOODED OR MUD COVERED AREAS. 

LAT...LON 3172 11023 3173 11060 3134 11058 3133 11018

$$
PYTLAK

WEATHER.GOV/TUCSON

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 1:16 PM MSTSevere Thunderstorm WarningTWCCochise44 min
Jun 21, 1:45 PM MSTFlash Flood WarningTWCCochise30 min
Jun 21, 1:54 PM MSTSevere Thunderstorm WarningTWCCochise51 min
Jun 21, 4:54 PM MSTDust Storm WarningTWC66 min

Nearby

Flash Flood Warnings in Arizona, 2006Every flash flood warning in 2006

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.