Alert archive / Arizona / Flash Flood Warnings in 2014
Flash Flood Warning 40, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 14, 2014, 1:02 PM MST for Pima County, Arizona. It was in force for 88 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
- Aug 14, 2014, 1:02 PM MST (20:02 UTC)
- Expired
- Aug 14, 2014, 2:30 PM MST
- In force
- 88 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 52 km from the middle of the area, began a volume at 20:04 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, 8.0 hours before the alert went out and 16 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
- 665 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1462 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
767 WGUS55 KTWC 142002 FFWTWC AZC019-142130- /O.NEW.KTWC.FF.W.0040.140814T2002Z-140814T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 102 PM MST THU AUG 14 2014 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL PIMA COUNTY IN SOUTHEAST ARIZONA... THIS INCLUDES THE CITY OF TUCSON... * UNTIL 230 PM MST * AT 1254 PM MST...RADAR WAS SHOWING A LINE OF SCATTERED SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY DOWNPOURS OVER PARTS OF THE GREATER TUCSON AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SEVEN FALLS...SABINO CANYON...MOUNT LEMMON/SUMMERHAVEN AND CATALINA FOOTHILLS. 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. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. && LAT...LON 3249 11086 3243 11060 3203 11095 3211 11115 $$
3 follow-up statements
234 WGUS75 KTWC 142010 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 110 PM MST THU AUG 14 2014 AZC019-142130- /O.CON.KTWC.FF.W.0040.000000T0000Z-140814T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 110 PM MST THU AUG 14 2014 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM MST FOR EAST CENTRAL PIMA COUNTY... AT 1259 PM MST...A LINE OF SCATTERED SHOWERS AND THUNDERSTORMS STRETCHED ACROSS THE GREATER TUCSON AREA FROM THE CATALINA MOUNTAINS SOUTHWEST THROUGH CENTRAL TUCSON TO THE DREXEL HEIGHTS AREA. THE HEAVIEST RAINFALL EXTENDED FROM NEAR KINO PARKWAY AND EAST 7TH STREET TO EAST PRINCE ROAD AND NORTH COUNTRY CLUB. THESE STORMS WERE MOVING SLOWLY TOWARD NORTHEAST AT LESS THAN 10 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SEVEN FALLS...SABINO CANYON...MOUNT LEMMON/SUMMERHAVEN AND CATALINA FOOTHILLS...CITY OF TUCSON. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. && LAT...LON 3249 11086 3243 11060 3203 11095 3211 11115 $$
182 WGUS75 KTWC 142044 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 144 PM MST THU AUG 14 2014 AZC019-142130- /O.CON.KTWC.FF.W.0040.000000T0000Z-140814T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 144 PM MST THU AUG 14 2014 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM MST FOR EAST CENTRAL PIMA COUNTY... THE THUNDERSTORMS THAT PROMPTED THE FLASH FLOOD WARNING HAD DIMINISHED IN INTENSITY AS THEY MOVED NORTHEAST ACROSS PARTS OF THE GREATER TUCSON AREA. THE STRONGEST STORM WITH HEAVY RAINFALL WAS LOCATED NORTH OF EAST SUNRISE DRIVE AND SWAN ROAD IN THE CATALINA FOOTHILLS. EXCESSIVE RUNOFF FROM THE EARLIER STORMS THAT PASTED THROUGH PARTS OF TUCSON WILL STILL BE CAUSING SOME MINOR STREET FLOODING AND ELEVATED FLOWS IN WASHES IN THE AREA EVEN THOUGH THE RAIN HAD ENDED. LAT...LON 3249 11086 3243 11060 3203 11095 3211 11115 $$
218 WGUS75 KTWC 142114 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 214 PM MST THU AUG 14 2014 AZC019-142121- /O.CAN.KTWC.FF.W.0040.000000T0000Z-140814T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 214 PM MST THU AUG 14 2014 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EAST CENTRAL PIMA COUNTY...INCLUDING THE GREATER TUCSON AREA... THE SHOWERS AND THUNDERSTORMS THAT PROMPTED THE FLASH FLOOD WARNING HAD ENDED AND MOVED NORTH OF THE AREA. SOME MINOR PONDING OF WATER ON CITY STREETS AND IN LOW-LYING AREAS WILL LIKELY BE AROUND FOR A LITTLE WHILE LONGER...BUT THE THREAT OF FLASH FLOODING HAD ENDED. THUS...THE WARNING HAS BEEN CANCELLED. LAT...LON 3249 11086 3243 11060 3203 11095 3211 11115 $$
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 5:33 PM MST | Flash Flood Warning | TWC | Cochise, Pima | 117 min |
| Aug 13, 5:43 PM MST | Special Weather Statement | TWC | Cochise | 32 min |
| Aug 13, 6:30 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Aug 14, 11:13 AM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
| Aug 14, 11:52 AM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 113 min |
| Aug 14, 12:11 PM MST | Special Weather Statement | TWC | 34 min | |
| Aug 14, 12:30 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Aug 14, 1:37 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Aug 14, 2:19 PM MST | Special Weather Statement | TWC | Pinal | 41 min |
| Aug 14, 2:37 PM MST | Flash Flood Warning | TWC | Pima | 83 min |
| Aug 14, 3:08 PM MST | Special Weather Statement | TWC | Pinal | 37 min |
| Aug 14, 4:12 PM MST | Areal Flood Advisory | TWC | Pima | 2 hr |
Nearby
Flash Flood Warnings in Arizona, 2014Every flash flood warning in 2014
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.