Alert archive / Arizona / Flash Flood Warnings in 2014
Flash Flood Warning 3, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 5, 2014, 4:38 PM MST for Pima County, Arizona. It was in force for 82 min. 2 reports 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 5, 2014, 4:38 PM MST (23:38 UTC)
- Expired
- Jul 5, 2014, 6:00 PM MST
- In force
- 82 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 33 km from the middle of the area, began a volume at 23:41 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 5, 4:55 PM MST | FLASH FLOOD | 4 W Vail, AZ | TWITTER REPORT OF EXTREME FLOODING ON HOUGHTON PAST THE PIMA COUNTY FAIR GROUNDS. |
| Jul 5, 6:00 PM MST | FLASH FLOOD | 4 W Saguaro National Pa, AZ | TWITTER REPORTS AND PICTURES OF A CAR STRANDED AT STELLA AND HARRISON RD DUE TO 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 (KDMA), launched 12:00Z, 11.6 hours before the alert went out and 11 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
- 213 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 1685 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
274 WGUS55 KTWC 052338 FFWTWC AZC019-060100- /O.NEW.KTWC.FF.W.0003.140705T2338Z-140706T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 438 PM MST SAT JUL 5 2014 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... EAST CENTRAL PIMA COUNTY IN SOUTHEAST ARIZONA... * UNTIL 600 PM MST * AT 425 PM MST...RADAR WAS SHOWING A CLUSTER OF SEVERE THUNDERSTORMS WITH VERY HEAVY RAINFALL IMPACTING PORTIONS OF THE EASTERN GREATER TUCSON AREA. VERY HEAVY RAINFALL HAS BEEN PRODUCING SOME STREET FLOODING ALONG HOUGHTON ROAD FROM GOLF LINKS SOUTH TO THE COMMUNITY OF CORONA DE TUCSON. THESE STORMS WERE MOVING SLOWING TOWARD THE WEST. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAGUARO NATIONAL PARK EAST AND EASTERN SECTION OF TUCSON. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 3226 11084 3227 11066 3203 11072 3196 11088 $$
2 follow-up statements
405 WGUS75 KTWC 060011 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 511 PM MST SAT JUL 5 2014 AZC019-060100- /O.CON.KTWC.FF.W.0003.000000T0000Z-140706T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 511 PM MST SAT JUL 5 2014 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MST FOR EAST CENTRAL PIMA COUNTY... AT 459 PM MST...TRAINED WEATHER SPOTTERS AND AUTOMATED WEATHER STATIONS REPORTED ONE HOUR RAINFALL AMOUNTS IN EXCESS OF ONE INCH OF RAIN. IN ADDITION...TWITTER REPORTS NOTED FLOODING ONGOING NEAR HOUGHTON ROAD AND THE PIMA COUNTY FAIRGROUNDS. ADDITIONAL HEAVY RAINFALL IS EXPECTED THROUGH 6 PM. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAGUARO NATIONAL PARK EAST AND RITA RANCH. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF ROADS...HIGHWAYS...SMALL CREEKS AND STREAMS...URBAN AREAS...AND OTHER DRAINAGE AREAS AND LOW LYING SPOTS. DO NOT DRIVE INTO FLOODED AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 3226 11084 3227 11066 3203 11072 3196 11088 $$ JJB
372 WGUS75 KTWC 060051 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 551 PM MST SAT JUL 5 2014 AZC019-060101- /O.EXP.KTWC.FF.W.0003.000000T0000Z-140706T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 551 PM MST SAT JUL 5 2014 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 600 PM MST FOR EAST CENTRAL PIMA COUNTY... THE THREAT OF FLASH FLOODING ON THE SOUTHEAST SIDE OF TUCSON HAS DIMINSHED...HOWEVER URBAN AND SMALL STREAM FLOODING WILL CONTINUE INTO THIS EVENING ACROSS THE TUCSON METRO AREA. WASHES WILL BE RUNNING ACROSS THE REGION. LAT...LON 3226 11084 3227 11066 3203 11072 3196 11088 $$ GL
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 5:11 PM MST | Special Weather Statement | TWC | Cochise | 49 min |
| Jul 4, 5:41 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 3 hr |
| Jul 5, 11:53 AM MST | Severe Thunderstorm Warning | TWC | Pima | 52 min |
| Jul 5, 3:55 PM MST | Special Weather Statement | TWC | 35 min | |
| Jul 5, 4:18 PM MST | Severe Thunderstorm Warning | TWC | Pima | 42 min |
| Jul 5, 4:56 PM MST | Severe Thunderstorm Warning | TWC | Pima | 49 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.