Forecaster: I.A.F. NCO Giuseppe PISCOPO

LATEST SATELLITE HRV IMAGE

07.45 UTC /09.45 LT

500hPa ANALISYS

L

L

H

L

L

H

SURFACE ANALISYS

LH

H

L

PREVISTA 500 HPA +12 UTC

Upper FCST (500hPa) Today 14:00 LT

L

H

H

L

SIGNIFICANT WEATHER SFC-10000 FT Today 14:00 LT

RIETI

SCT/ISOL BKN CuScAcAs 025/XXXISOL EMBD CB 020/XXXISOL RAIN TSRA SHRA AND OBSC MON

SKC/FEW CuAc 030/XXX

12.00 UTC

14.00 LT10m WIND AND TEMPERATURE

RIETI

15.00 UTC

17.00 LT

RIETI

10m WIND AND TEMPERATURE

12.00 UTC

14.00 LT850 hPa WIND AND TEMPERATURE

RIETI

15.00 UTC

17.00 LT850 hPa WIND AND TEMPERATURE

RIETI

12.00 UTC

14.00 LT700 hPa WIND AND TEMPERATURE

RIETI

15.00 UTC

17.00 LT700 hPa WIND AND TEMPERATURE

RIETI

12.00 UTCTOTAL CLOUD COVER 12.00 UTC

14.00 LT

RIETI

15.00 UTC

17.00 LT TOTAL CLOUD COVER

RIETI

3h ACCUMULATED PRECIPITATION 09.00-12.00 UTC

11.00-14.00 LT

3h ACCUMULATED PRECIPITATION 12.00-15.00 UTC

14.00-17.00 LT

WEATHER PHENOMENA 12.00 UTC

14.00 LT

RIETI

WEATHER PHENOMENA 15.00 UTC

17.00 LT

RIETI

- unstable atmosphere at all levels.- Thermal activity up to 2600-2800 mt- Wind shear between 1500 and 3000 mt

- Cold advection in the upper levels

- Risk of SHRA/TSRA starting at 15.30 LT

FCST SOUNDING OVER RIETI at 12.00/Utc

5000 m

4000 m

3000 m

2000 m

1000 m

500 m

GND 398 m

WIND12:00 UTC

CROSS SECTION OVER RIETI08/08/2015

2600 m2400 m

ASL

LOCAL TIME 1200 1300 1400 1500 1600 1700 1800 1900

340/05kt

300/05 kt

320/05kt

150/07 kt

TEMP 32°C 34°C 35°C 35°C 34°C 34°C 32°C 30°C

2800 m2600 m

4-6 TCU/CB

FREEZING LEVEL 4300-4400 m

TSRA/SHRA

5-7 AC/AS

OUTLOOK 09/08/2015SYNOPTIC SITUATIONCYCLONIC CIRCULATION AFFECTS CENTRAL AND SOUTHERN ITALY WHILEA LOW PRESSURE AREA APPROACHES THE NORTHWEST OF ITALY.

CLOUD COVERSCT LOC BKN ALREADY IN THE LATE MORNING.LOC ISOL TCU/CB IN THE AFTERNOON.

PHENOMENALOCAL SHRA OR TSRA OVER INLAND

TEMPERATURETmax_RIETI=34°C

ISOL TCU /CBISOL TSRA/SHRA

OUTLOOK 10/08/2015SYNOPTIC SITUATIONA LOW PRESSURE AREA, WITH MINIMUM ON THE LIGURIAN GULF, AFFECTING ALL ITALIAN REGIONS..CLOUD COVERBKN ALREADY IN THE MORNING.LOC TCU/ EMBD CB

WEATHER PHENOMENAWIDESPREAD SHRA AND TSRA MAINLY OVER INLAND

TEMPERATURETmax_RIETI=29°C

CB SHRA/TSRA